Answer:
-7x - 36
Step-by-step explanation:
x X 2 - 9 x X - 36
2x - 9x - 36
( x + 3 ) ( x - 12 )
x^2 - 9x - 36
= x^2 + 3x - 12x - 36
= x ( x + 3 ) - 12 ( x + 3 )
= ( x + 3 ) ( x - 12 )
