Question

Find k if one of the root of x2+3(k+2)x-9=0 is (-3)

Answer 1

✨Here is your answer ✨

if -3 is the root of given equation ,,

so,. it will stisfy it ..

so, then = we will put x is equal to -3

so, -3)²+3(k+2)(-3) - 9 =0

(3k+6)-3 =0

-9K = 18

so, k = -2 ans

✨hope it helps you ✨

Answer 2

Hey Jude don't make it bad