Question
Factorise:
$8(3 a-2 b)^2-10(3 a-2 b)$
$8(3 a-2 b)^2-10(3 a-2 b)$
✓
Answer
$8(3 a-2 b)^2-10(3 a-2 b)$
$=(3 a-2 b)[8(3 a-2 b)-10]$
$=(3 a-2 b) 2[4(3 a-2 b)-5]$
$=2(3 a-2 b)(12 a-8 b-5)$
$=(3 a-2 b)[8(3 a-2 b)-10]$
$=(3 a-2 b) 2[4(3 a-2 b)-5]$
$=2(3 a-2 b)(12 a-8 b-5)$
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