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Factorisation by Regrouping Terms

Factorise the...

Question

Factorise the following expressions :
$5 p (x + 7) - 4 (x + 7)$

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Solution

$5 p (x + 7) - 4 (x + 7)$
$\Rightarrow (x + 7) [5 p - 4]$
$\Rightarrow (x + 7) (5 p - 4)$

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Factorisation by Regrouping Terms

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