2x2 + 6x – 7x + 8 – 3x+ 1

Answer 1

The first step is to combine like terms:

2x^2 + (6x – 7x – 3x) + (8 + 1)

Simplify:

2x^2 – 4x + 9

Therefore, the simplified expression is 2x^2 – 4x + 9.