Answer:
2200-1700=500
Step-by-step explanation:
Answer: D
it equals 15/12
It's a.
(a - 2b)^2 + 8ab
= a^2 - 4ab + 4b^2 + 8ab
= a^2 + 4ab + 4b^2.
((a + 2b)^2 = a^2 + 4ab + 4b^2.