He product of a + 3 and –2a2 + 15a + 6 is –2a3 + xa2 + 51a + 18. What is the value of x?

asked Nov 11, 2019 51.3k views

1 vote

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4 votes

Answer:

Explanation:

The contributors to the a² term in the product are ...

... 3×(-2a²) + a(15a) = a²(-6+15) = 9a²

Aboss answered Nov 18, 2019

by Aboss

6.2k points

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