Solve: K^2 – 4k – 45 = 0

Solve: k^2 – 4k – 45 = 0

k^2 – 4k – 45 = 0
(k – 9) (k + 5) = 0
k – 9 = 0
k = 9

k + 5 = 0
k = – 5

k = 9 and -5 —— answer

To check

(-5)^2 – 4(- 5) – 45 = 0
25 + 20 – 45 = 0
45 – 45 = 0
0 = 0 Therefore k = – 5 is true

(9)^2 – 4(9) – 45 = 0
81 – 36 – 45 = 0
81 – 81 = 0
0 = 0 therefore k = 9 is true

House 4k ultra wallpaper wallpapers background man made. Man made house 4k ultra hd wallpaper. 91 4k ultra hd house wallpapers

house 4k ultra wallpaper wallpapers background man made

Man made house 4k ultra hd wallpaper. Man made house 4k ultra hd wallpaper. Man made house 4k ultra hd wallpaper

ultra

4k house wallpaper. Wallpaper 4k house ultra background wall wallpapers preview click size. Wallpaper house 4k size ultra wallpapers click

wallpaper francisco san house neighborhood 4k city building suburb background desktop ultra wallpapers skyline urban alamo square town residential buildings

Wallpaper francisco san house neighborhood 4k city building suburb background desktop ultra wallpapers skyline urban alamo square town residential buildings. Man made house 4k ultra hd wallpaper. 89 4k ultra hd house wallpapers

house wallpaper modern wallpapers beautiful backgrounds homes building desktop architecture melbourne wall cool computer size victorian wallpapersafari wednesday 1080 1920

Houses for wallpapers / picturesque old house uhd desktop wallpaper for. House 4k wallpapers. Wallpaper house 4k size ultra wallpapers click

teahub tuckpointing wallpapersinhq

House wallpaper 4k luxury modern wallpapers small architecture homes bungalow different contemporary houses plans beautiful blueprints interior bangalore understanding essentials. House backgrounds wallpaper wallpapers 4k exterior mansion fulton ultra homes finishes background beautiful ranch con modern arizona aegean cove italian. Beautiful house 4k wallpapers

house wallpaper 4k ultra background wall wallpapers man made

House 4k wallpapers. House wallpapers. Houses for wallpapers / picturesque old house uhd desktop wallpaper for

thatched

House wallpaper 4k wallpapers man made ultra background size big wall backgrounds desktop alphacoders click. House 4k wallpapers. Beautiful house 4k wallpapers

house wallpaper 4k luxury modern wallpapers small architecture homes bungalow different contemporary houses plans beautiful blueprints interior bangalore understanding essentials

Man made house 4k ultra hd wallpaper. House 4k wallpapers. Free download beautiful house 4k hd desktop wallpaper for 4k ultra hd

House wallpapers. Wallpaper house 4k size ultra wallpapers click. Covered pc wallpaperaccess wallpapersden

Kame house wallpapers. House wallpaper modern wallpapers beautiful backgrounds homes building desktop architecture melbourne wall cool computer size victorian wallpapersafari wednesday 1080 1920. House backgrounds wallpaper wallpapers 4k exterior mansion fulton ultra homes finishes background beautiful ranch con modern arizona aegean cove italian

Backgrounds wallpaperaccess. Wallpaper house 4k size ultra wallpapers click. Man made house 4k ultra hd wallpaper

Wallpaper house wallpapers 4k ultra background preview click size. Man made house 4k ultra hd wallpaper. Kame house wallpapers

House 4k wallpapers. Modern house wallpapers. House wallpapers

covered pc wallpaperaccess wallpapersden

House wallpaper 4k wallpapers man made ultra background size big wall backgrounds desktop alphacoders click. 2560×1080 resolution forest house covered in snow 4k 2560×1080. Houses for wallpapers / picturesque old house uhd desktop wallpaper for

89 4k ultra hd house wallpapers. House 4k wallpapers. House 4k wallpapers

wallpaper 4k house ultra background wall wallpapers preview click size

House 4k wallpapers. Wallpaper 4k house ultra background wall wallpapers preview click size. House 4k wallpapers for your desktop or mobile screen free and easy to

House 4k wallpapers. Teahub tuckpointing wallpapersinhq. 89 4k ultra hd house wallpapers

House wallpaper 4k wallpapers man made ultra background size big wall backgrounds desktop alphacoders click. 2560×1080 the owl house 2560×1080 resolution wallpaper, hd tv series 4k. 2560×1080 kids tree house 2560×1080 resolution wallpaper, hd fantasy 4k

house backgrounds wallpaper wallpapers 4k exterior mansion fulton ultra homes finishes background beautiful ranch con modern arizona aegean cove italian

House wallpaper 4k luxury modern wallpapers small architecture homes bungalow different contemporary houses plans beautiful blueprints interior bangalore understanding essentials. House 4k wallpapers. Wallpaper francisco san house neighborhood 4k city building suburb background desktop ultra wallpapers skyline urban alamo square town residential buildings

house wallpapers 4k wallpaper ultra background small plans wrap around porch wall beautiful porches google 1920 click size country alphacoders

House 4k wallpapers. Kame dbz kamehouse cdna shenron anais gabriel. Man made house 4k ultra hd wallpaper

dated ctt

Man made house 4k ultra hd wallpaper. Beautiful house 4k wallpapers. 91 4k ultra hd house wallpapers