Factorize using identities. 25a2+70ab+49b2
Answers
Answered by
1
Answer:
5a+7b
Step-by-step explanation:
25a²+70ab+49b²
= (5a+7b)²
=5a+7b
Answered by
0
Answer:
(a+b)2 =a2+2ab+b2
5a2+2×5×7 +7b2
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