Question

Divide 5a^2 + 6a - 9 into 25a^4 + 19a^2 - a - 78.

Answer 1

please elaborate the question.

Answer 2

divide the polynomials

Answer 3

5a^2 - 6a + 20
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5a^2 + 6a - 9 | 25a^4 + 0a^3 + 19a^2 - a - 78
------------- -25a^4 - 30a^3 + 45a^2
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- 30a^3 + 64a^2 - a - 78
30a^3 + 36a^2 -54a
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100a^2 - 55a - 78
-100a^2 - 120a + 180
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- 175a + 102