Question
Factorise: $(x+5)^2-4(x+5)$
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Answer
$(x+5)^2-4(x+5)$
$= (x + 5)(x + 5 - 4) $
$= (x + 5)(x + 1)$
$= (x + 5)(x + 5 - 4) $
$= (x + 5)(x + 1)$
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