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Multiply the polynomials (a^2 + 3a – 7) and (a + 4). Simplify the answer. Can you please Show your work so that I can know the step by step process?

Multiply the polynomials (a^2 + 3a – 7) and (a + 4). Simplify the answer. Can you please Show your work so that I can know the step by step process?
asked 152k views
1 vote
Multiply the polynomials (a^2 + 3a – 7) and (a + 4). Simplify the answer. Can you please Show your work so that I can know the step by step process?

asked
User Overclover
by
8.3k points

1 Answer

4 votes
its like the FOIL process just with an additional term
a^3+3a^2+4a^2-7a+12a-28
combine like terms
a^3+7a^2+6a-28 is the final answer
answered
User Kyu
by
7.9k points
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