Question

Simplify the following expression,
- 2x² + 3 + 5x - 10 – 10x²

Answer 1

-2x² + 3 + 5x - 10 - 10x²

Collect the like terms

-12x² + 3 + 5x - 10

Calculate the difference

-12x² - 7 + 5x

Use the commutative property to reorder the terms

-12 + 5x -7

Answer 2

To simplify the equation combine the like terms:

-2x^2 - 10x^2 = -12x^2

3-10 = -7

The simplified expression is -12x^2 + 5x - 7