Question

Simplify the following math questions

Answer 1

1. 2x²-3x²-3x+5x+1-2=-x²+2x-1

2.3x²+5x-2x+6-1=3x²+3x+5

3.-7n²-5n²+4n+6n+3+1=-13n²+10n+4

I think these are the answers if not I'm sorry