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