Factorize :169m2 – 625n2

Given 169m2 – 625n2 = (13m)2 – (25n)2Comparing with a2 – b2 = (a + b) (a – b)a = 13m and b = 25nSo, 169m2 – 625n2 = (13m + 25n)(13m – 25m)

Q4 of 157 Page 30

Factorize :
169m² – 625n²

Given 169m² – 625n² = (13m)² – (25n)²

Comparing with a² – b² = (a + b) (a – b)

a = 13m and b = 25n

So, 169m² – 625n² = (13m + 25n)(13m – 25m)

Factorize :

4p² – 25q²

Factorize :

25x² – 20xy + 4y²

Factorize :

121a² + 154ab + 49b²

Questions · 157

1. Algebra

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