Sagot :
Answer:
A. (a + b)2 = a² + 2ab + b
Step-by-step explanation:
example:
(m+4)²=m²+8m+16
Answer:
A. (a + b) = a² + 2ab + b
Step-by-step explanation:
LMND is correct
When you FOIL: (a+b)(a+b) = a(a) + a(b) + a(b) + b(b) = a^2 + ab + ab + b^2
hope it helps