Add or subtract.

Question

(4x2 – 2x – 1) – (–3x3 + 2)

A. –3x3 + 4x2 – 2x + 1
B. –3x3 + 4x2 – 2x – 3
C. 3x3 + 4x2 – 2x + 1
D. 3x3 + 4x2 – 2x – 3

Answer 1

the subtraction sign in front of the 2nd parentheses changes the signs inside

4x2 – 2x – 1 + 3x3 - 2 ... combine like terms for the answer

Answer 2

Thanks.

Answer 3

I don't get it!

Answer 4

@person Sadly this isn't here to understand it, you can find videos or something if you'd like? I'm sorry you don't get it /gen