Question

3x-5y+x^2+8y+4x-x^2

Answer 1

7x+3y

Explanation:

1. Collect like terms

(3x+4x)+(-5y+8y)+(x^2-x^2)

2. Simplify

3x+4x=7x

-5y+8y=3y

x^2-X^2=0

So you get 7x+3y as your final answer