Question

The expression (x2 - 5x - 2) - (-6x2 - 7x - 3) is
equivalent to

Answer 1

7x² + 2x + 1

Explanation:

(x² - 5x - 2) - (-6x² - 7x - 3)

Now, combine your like-terms together...

(x² - (-6x²)) + (- 5x - (-7x)) + (- 2 - (-3))

7x² + 2x + 1