Question
Factorise the following by splitting the middle term:$y^2 - 2y - 24$
✓
Answer
$y^2 - 2y - 24$
$= y^2 - 6y + 4y - 24$
$= y(y - 6) + 4(y - 6)$
$=(y - 6)(y + 4).$
$= y^2 - 6y + 4y - 24$
$= y(y - 6) + 4(y - 6)$
$=(y - 6)(y + 4).$
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