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Letter D:
(2x-y)(8x3+y3) = 16x4- 8x3y + 2xy3 - y4
2 Answers By Expert Tutors
Anthony T. answered • 05/10/21
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Patient Science Tutor
If you expand d, you get 16X4 + 2XY3 - 8X3Y - Y4 which is not equal to the given expression.
Expanding a, b and c will give the starting expression.
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