64a^2+80ab+ 25b^2(factorise using identities and step by step)
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64a^2+80ab+ 25b^2(factorise using identities and step by step)
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Answer:
(8a+5b)(8a+5b)
Step-by-step explanation:
64a²+80ab+25b²
= (8a)² + 2(8a)(5b) + (5b)²
= (8a+5b)² {a²+2ab+b²=(a+b)²}
= (8a+5b)(8a+5b)