.Factorise: a^2-(2a+3b)^2 *
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Answered by
1
Answer:
a^2-4a^2-9ab^2
-3a^2-9ab^2
Answered by
0
Answer:
=>(a+2a+3b)(a-2a-3b)
=>(3a+3b)(-a-3b)
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