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Multiply the polynomials (a^2+3a-7) and (a+4) simplify answer + show work

Multiply the polynomials (a^2+3a-7) and (a+4) simplify answer + show work
asked 63.5k views
1 vote
Multiply the polynomials (a^2+3a-7) and (a+4)
simplify answer + show work

Multiply the polynomials (a^2+3a-7) and (a+4) simplify answer + show work-example-1
asked
User Mike Sprague
by
8.5k points

1 Answer

6 votes
= a^3 +3a^2-7a+4a^2+12a-28
=a^3 +7a^2+5a-28
answered
User Simon Campbell
by
8.9k points
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