Answer:
D. 6x2^2y^2 + 10xy^2 - 2x^2y^3
Step-by-step explanation:
Answer:
81
Step-by-step explanation:
Answer: Could you give us the graph?
Step-by-step explanation:
Do what is in the parentheses then add
area=legnth times width
we notice this is a special case
(a+b)(a-b)=a^2-b^2
area=(a+3b)(a-3b)=a^2-9b^2
area=a^2-9b^2