Question

Subtract: (−2x2 + 9x − 3) − (7x2 − 4x + 2)

−9x2 − 13x + 5
−9x2 + 13x − 5
5x2 − 13x − 1
5x2 + 5x − 5

Answer 1

-23 + 13x
working:
(-2 x 2 + 9x - 3) - (7 x 2 - 4x + 2)
= (-4 + 9x -3) - (14 - 4x + 2)
= -7 + 9x - 16 + 4x
= -23 + 13x
-13 - 13x
9 - 13x
5x - 5

Answer 2

The anwser is B, -9x2+13x-5.

Hope it helped