4a^2+20ab+25b^2 factorise using appropriate identity
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Answered by
8
Answer:
4a²+20ab+25b²
by using (a+b)²=a²+2ab+b² identity
4a²+10ab+10ab+25b²
2a(2a+5b)+5b(2a+5b)
(2a+5b)(2a+5b)
(2a+5b)²
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Answered by
1
Answer:
(2a+5b)^2
Step-by-step explanation:
(2a)^2 + 2(2a)(5b)+ (5b)^2
(2a+5b)^2
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