Question

Combine the like terms to simplify this expression: ( the 2 to the right of the x, is an exponent)

2x² + 3x-4-x² + x + 9

Answer 1

x^2 +4x +5

Explanation:

2x^2 -x^2 will be x^2

3x+x is 4x

-4+9 is 5