Question

1. Simplify (–6x2 + x – 5) + (9x2 – 3x+6).

Answer 1

(-6x^2 + x - 5) + (9x^2 - 3x + 6)

Remove parentheses and group like terms

(-6x^2 + 9x^2) + (x - 3x) + (-5 + 6)

Simplify like terms