Question

factorise by splitting the middle term 4 x square + 20 X + 25​

Answer 1

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$4 {x}^{2} + 20x + 25$

$4 {x}^{2} + 10x + 10x + 25$

$2x(2x + 5) + 5(2x + 5)$

$(2x + 5)(2x + 5)$

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

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