subtract 5ab (3a-2b-7) from 3ab(-4a+3b-8)
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Answered by
2
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Here's your answer
3ab(-4a+3b-8) = -12a²b+9ab²-24ab
5ab(3a-2b-7) = 15a²b-10ab²-35ab
Hence,
5ab(3a-2b-7) - 3ab(-4a+3b-8)
= (15a²b-10ab²-35ab) - (-12a²b+9ab²-24ab)
= 15a²b - 10ab² -35ab + 12a²b - 9ab² + 24ab
= 27a²b - 19ab² - 11ab
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Answered by
1
Answer:
5ab(3a-2b-7)
=15a²b-10ab²-35ab
3ab(-4a+3b-8)
= -12a²b+9ab²-24ab
(-12a²b+9ab²-24ab)-(15a²b-10ab²-35ab)
= -12a²b+9ab²-24ab-15a²b+10ab²+35ab
= -27a²b+19ab²+11ab
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