Question

Factorise the following. a)25x² + 20x + 4​

Answer 1

Answer:

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Answer 2

Answer:

25x² + 20x + 4

Identity used:

${x}^{2} + 2xy + {y}^{2}$

Here, x=5x and y =2

$( {5x})^{2} + 2(5x)(2) + ({2})^{2}$

$(5x + 2) ^{2}$

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