Answer:
(a+b)^2 = a^2 + 2ab + b^2
(a-b)^2 = a^2 - 2ab + b^2
(a-b)(a+b) = a^2 - b^2
Step-by-step explanation:
.12%
Step-by-step explanation
2.61-2.49= 0.12
Answers:
f(1) = -1
f(0) = 1
f(2) = 1
f(-2) = 17