Add or subtract.

(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

Pls help

(4x^2 – 2x – 1) – (–3x^3 + 2)

=4x^2 - 2x - 1 + 3x^3 - 2
= 3x^3 + 4x^2 - 2x - 3