Question

4. Multiply the following polynomials
a) (5-d + 2d)(2d - 1)
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Answer 1

Answer:

2d (5 - d + 2d ) -1 (5 - d + 2d)

10d - 2d^2 + 4d^2 - 5 + d - 2d

9d + 2d^2 - 5

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