factorise 16 a square + 88 A + 121
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Step-by-step explanation:
16a²+88a+121
Using the formula a²+2ab+b², where a=4a, b=11
= (4a)²+2(4a)(11)+(11)²
= (4a+11)²
= (4a+11)(4a+11)
Hence (4a+11)(4a+11) are the factors of 16a²+88a+121
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