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The product of a + 3b and –a2 + 4ab + 2b is –a3 + xa2b + 2ab + 12ab2 + yb2. What are the values of x and y in the expression?
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Jul 13, 2018
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The product of a + 3b and –a2 + 4ab + 2b is –a3 + xa2b + 2ab + 12ab2 + yb2. What are the values of x and y in the expression?
Mathematics
college
Aaron Henderson
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Answer:
X=1 y=6
hope this helps i just took the test!
Trick Jarrett
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Jul 15, 2018
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Trick Jarrett
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First, we multiply the given expressions:
(a + 3b) (-a
² + 4ab + 2b)
= -a³ + 4a²b + 2ab - 3a²b + 12ab² + 6b²
Simplifying:
-a³ + a²b + 2ab + 12ab² + 6b²
By comparison, we can determine the values of x and y, which work out to be:
x = 1
b = 6
Jason Ayer
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Jul 17, 2018
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Jason Ayer
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