Mathematics 15 Online OpenStudy (anonymous):

how do i divide x^2+3x-1 by 2x^5+3x^3+2x^2-x+1? OpenStudy (shadowfiend):

So, this division is the same as creating the fraction: $$\frac{2x^5 + 3x^3 + 2x^2 - x + 1}{x^2 + 3x - 1}$$ OpenStudy (shadowfiend):

Er, sorry, other way. $$\frac{x^2 + 3x - 1}{2x^5 + 3x^3 + 2x^2 - x + 1}$$ OpenStudy (shadowfiend):

This breaks up into: $$\frac{x^2}{2x^5 + 3x^3 + 2x^2 -x + 1} + \frac{3x}{2x^5 + 3x^3 + 2x^2 -x + 1} + \frac{-1}{2x^5 + 3x^3 + 2x^2 -x + 1}$$ You can do the division on each individual part, but you'll end up with negative exponents (or fractions) everywhere. OpenStudy (shadowfiend):

That was a bit too long, sorry. It breaks up into: \begin{align}\frac{x^2}{2x^5 + 3x^3 + 2x^2 -x + 1} + \frac{3x}{2x^5 + 3x^3 + 2x^2 -x + 1} \\+ \frac{-1}{2x^5 + 3x^3 + 2x^2 -x + 1}\end{align} OpenStudy (anonymous):

Use long division? OpenStudy (anonymous):

Are we sure the OP has the division right side up? If so, the first term of the quotient (from long division) is 1/2 x^(-3), and the quotient goes on for an infinite number of terms, I think. Dividing the other way round makes more sense to me. OpenStudy (shadowfiend):

That would indeed much nicer.

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