Question

which expression is equivalent to 5x^2 - (3x - 6x^2) + 6 + (7x - 2)

Answer 1

To solve this, we will follow the steps below

5x² - (3x - 6x²) + 6 + (7x - 2)

First, we will open the parenthesis

5x² - 3x + 6x² + 6 + 7x -2

Then we will re-arrange

5x² + 6x² -3x +7x + 6 -2

11x² + 4x +4