3(2a-5b)²-10(2a-5b)-8
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Answered by
2
Answer:
(2a-5b-2)(6a-15b-4)
Step-by-step explanation:
3(2a-5b)²-10(2a-5b)-8
= 3(2a-5b)²-6(2a-5b)-4(2a-5b)-8
= 3(2a-5b)[(2a-5b)-2]-4[(2a-5b)-2]
= [(2a-5b)-2](3(2a-5b)-4)
= (2a-5b-2)(6a-15b-4)
Therefore,
3(2a-5b)²-10(2a-5b)-8
= (2a-5b-2)(6a-15b-4)
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