Question
Factorise the following by grouping the terms$:x + y + m(x + y)$
✓
Answer
$x + y + m(x + y)$
$= (x + y) + m(x + y)$
$= (x + y)(1 + m).$
$= (x + y) + m(x + y)$
$= (x + y)(1 + m).$
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