Question

3. Multiply the following polynomials. a) (5 - - + 2d)(2d - 1)​

Answer 1

Answer:

Multiplying each term of the first with each term of the second and adding gives:

5⋅2d+5⋅−1+−d

2

⋅2d+−d

2

⋅−1+2d⋅2d+2d⋅−1

=10d−5−2d

3

+d

2

+4d

2

−2d

=−2d

3

+5d

2

+8d−5

Step-by-step explanation:

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