Factorise - 4-25-25b2

4/25 25b^2=(2/5 )^2 (5b)^2 =(2/5+5b )(2/5 5b ) ...

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Factorisation Using Algebraic Identities

Factorise : 4...

Question

Factorise : $\frac{4}{25} - 25 b^{2}$

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Solution

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Factorise:
$4 y^{2} + 20 y + 25$

x^{2} + 5 x + \frac{25}{4}

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