solve this(y + 9) (y - 9)
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Answered by
4
Answer:
Y²-81
(A+B)(A-B)=A²-B²
Step-by-step explanation:
Answered by
2
Answer:
Step-by-step explanation:
Y²-81
(A+B)(A-B)=A²-B²
Step-by-step explanation:
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