Question

Simplify by combining like terms.

3r + n2 - r + 5 - 2n + 2

Group of answer choices

a)2r + n2 - 2n +7

b)2r + 3n2 - 2

c)4r + 3n2 + 7

Answer 1

a)2r + n2 - 2n +7

Explanation:

3r + n2 - r + 5 - 2n + 2

(3r - r) + n^2 - 2n + (2 + 5)

2r + n^2 - 2n + 7