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Factorisation by Regrouping Terms

Factorise : x...

Question

Factorise :
$(x + 5)^{2} - 4 (x + 5)$

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Solution

$(x + 5)^{2} - 4 (x + 5) = (x + 5) (x + 5 - 4) = (x + 5) (x + 1) A n s .$

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Factorisation by Regrouping Terms

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