Question

If a+b = 0 and AB=-36 then what is a-b

Answer 1

12

Explanation:

If a = 6 and b = -6

a + b = 0

(6) + (-6) = 0

6 – 6 = 0

ab = -36

(6)(-6) = -36

6 • -6 = -36

a – b = 12

(6) – (-6) = 12

6 + 6 = 12

I hope this helps