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Factorisation by Common Factors

Factorise the...

Question

Factorise the expressions using the common factor method.
$8 x^{2} y + 4 x$

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Solution

$8 x^{2} y + 4 x$
$= (4 x \times 2 x y) + 4 x$
$= 4 x (2 x y + 1)$
Therefore,
$8 x^{2} y + 4 x = 4 x (1 + 2 x y)$

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