factorise: 49a^2 +70ab + 25b^2
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✴SOLUTION✴
Find here:-
=> [ (49a² +70ab +25b²)]
=> [ (7a)²+2 × 7a × 5b + (5b)²]
Using Identity
(x² + 2xy + y²) = ( x + y )²
So,
=> [ (7a + 5b )²]
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