Question

Simplify the expression. 3x2 + x − x2 − 2x

A. 2x
B. 2x2 − x
C. 3x2 − 2x
D. 4x2 − 3x

Answer 1

B. 2x^2 − x

Explanation:

3x^2 + x − x^2 − 2x

We need to combine like terms

3x^2 -x^2+ x − 2x

2x^2 -x