Factorise:

Question:

Factorise:
(x + 5)2 − 4(x + 5)

Solution:

We have:

$(x+5)^{2}-4(x+5)=(x+5)\{(x+5)-4\}$

$=(x+5)(x+5-4)$

$=(x+5)(x+1)$

$\therefore(x+5)^{2}-4(x+5)=(x+5)(x+1)$

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