Answer:
10x^2 -13x +6
Step-by-step explanation:
(7x^2 − 5x + 2) − (−3x^2 + 8x − 4)
Distribute the negative sign
(7x^2 − 5x + 2) + 3x^2 - 8x + 4
I like to line them up vertically. The powers line up under each other.
7x^2 − 5x + 2
+ 3x^2 - 8x + 4
--------------------------
10x^2 -13x +6
