Math, asked by neeturaiindia1984, 4 months ago

a^2-9 factorise ans in full way

Answers

Answered by shivamk547

0

egnggnhfbnjihhnmyh...

Answered by apple4u

1

Answer:

a²-9

a²-3²

using identity a²-b²=(a+b)(a-b)

a²-3²=(a+3)(a-3)

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