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OpenStudy (anonymous):
Two polynomials P and D are given. Use either synthetic or long division to divide P(x) by D(x), and express P in the form P(x) = D(x) · Q(x) + R(x).
P(x) = 4x3 + 9x + 9, D(x) = 2x + 1
11 years ago
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OpenStudy (anonymous):
4x3 is supposed to be 4x^3
11 years ago
OpenStudy (aum):
Long Division:
Quotient
2x + 1 4x^3 + 0x^2 + 9x + 9 2x^2 - x + 5
4x^3 + 2x^2
-----------------
-2x^2 + 9x
-2x^2 - x
-----------------
10x + 9
10x + 5
----------
4
11 years ago
OpenStudy (aum):
4x^3 + 9x + 9 = (2x + 1)(2x^2 - x + 5) + 4
11 years ago
OpenStudy (anonymous):
Thank you! :)
11 years ago
OpenStudy (aum):
You are welcome.
11 years ago
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