Question
Factorise:
$x^2+11 x+30$
$x^2+11 x+30$
✓
Answer
$x^2+11 x+30$
$=x^2+6 x+5 x+30$
$=x(x+6)+5(x+6)$
$=(x+6)(x+5)$
$=x^2+6 x+5 x+30$
$=x(x+6)+5(x+6)$
$=(x+6)(x+5)$
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