How do you divide #(x^4-2x^3-2x^2+9x+3)/(x^2-3) #?

1 Answer
May 2, 2016

#(x^4-2x^3-2x^2+9x+3)/(x^2-3) = (x^2-2x+1) + (3x+6)/(x^2-3)#

Explanation:

I like to long divide the coefficients, not forgetting to include #0#'s for any missing powers of #x#. In our example, that means the missing #x# term in the divisor, which is therefore repesented as #1, 0, -3#.

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The process is similar to long division of numbers.

We find a quotient #1, -2, 1#, meaning #x^2-2x+1# and remainder #3, 6#, meaning #3x+6#

So: #(x^4-2x^3-2x^2+9x+3)/(x^2-3) = (x^2-2x+1) + (3x+6)/(x^2-3)#