Question

Find the difference.

(7x2 + x + 9) - (3x2 + 4x - 5)

Answer 1

The answer to your question is -3x+22

Answer 2

7x^2 + x - 9 - (3x^2 + 4x - 5)....distribute the negative through the parenthesis
7x^2 + x - 9 - 3x^2 - 4x + 5....now just combine like terms
4x^2 - 3x - 4 <===