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Artyom0805 [142]
2 years ago
10

Xy(3x2+2x−3y)

Mathematics
1 answer:
timurjin [86]2 years ago
4 0
Xy (3x2+2x-3y)

6xy + 2x^2y- 3xy^2
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(8 - 4x -  {x}^{3} ) + ( {x}^{2}  + 7x - 9) \\  =  -  {x}^{3}  +  {x}^{2}  - 4x + 7x + 8 - 9 \\  =  -  {x}^{3}  +  {x}^{2}  + 3x - 1
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The answer is either B, and you forgot to put in the ^2 in the answer choice, or C, and you forgot to put an x where there is a _ in the question.

Check the actual question (the one you recieved, not the one posted here) and see where the mistakes are. If f(x) = 8x - 4x - x^3, then your answer is C. However, if B is actually -x^3 + x^2 + 3x - 1, then the answer is B.
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bekas [8.4K]

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