Question

Pls help

First box choices : 9x^2-15x
-9x^2-15x
-9x^2+15x

Second box choices:
3x
-3x
X

Answer 1

first box : -9x^2-15x

second box: -3x

Explanation:

(63x^3y+105x^2y)/(-7xy)=-9x^2-15x/-3x= 3x+5