Question

Which expression is equivalent to:
5x2 - 10x - 7+ 5x2 + 8?

Answer 1

Answer:

Step-by-step explanation:

5x² -  10x - 7 + 5x² + 8 = 5x² + 5x² -10x - 7 + 8

                                    = 10x² - 10x + 1

Bring like terms together and add/ subtract the like terms