Question

Find the factors of - x ²- 7x - 12?​

Answer 1

Answer:

- x^2 - 7x - 12

[ (-x^2 × -12) = -1 × -12 = 12 ]

-x^2 - 4x - 3x -12

- x ( x + 4 ) - 3 ( x + 4 )

(x+4) (-x-3)

x+4=0 & -x-3=0

x=(-4) & x=(-3)

So the factors or zeros are (-4) & (-3)