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in Factorization by (58.8k points)

Factorise: 4y2 + 20y + 25

1 Answer

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Best answer

We solve by using the formula (a+b)2 = a2 + b2 + 2ab We get, 

(2y)2 + (5)2 + 2 (2y) (5) = (2y+5)2

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