(y+9)(y-9) what is answer
Answers
Answered by
1
Answer:
(y+9)(y-9)
(a+b(a-b) = a²-b²
= (y)²-(9)²
= y²-81
Answered by
3
Answer:
[a²-b²=(a+b)(a-b)]
(y+9)(y-9)
= y²-9²
=y²-81
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