Question

Find the difference for (-3ab-8a+8)-(-5ab+2)

Answer 1

  -3ab-8a+8
-(-5ab     +2)
------------------
2ab-8a+6

Answer 2

Since the - sign is infront of an equation in parenthesis you have to distribute it as -1. So...
(-3ab-8a+8) -(-5ab+2)
(-3ab-8a+8) +5ab-2 hint. Negative times a negative equals a positive.
Now combine like terms.

2ab - 8a + 6
there is you final answer