Alg II
posted by Josh .
I'm working with finding roots of polynomial equations with degrees of 3 or higher. I have the equation
r(x)=x^46x^3+12x^2=6x13
I used a graphing calculator to find the real roots of 1,1
Then I did synthetic using 1, and I ended up with the equation
x^36x^2+2x13
How do I get this to a quadratic so that I can find the imaginary roots? A friend suggested grouping, but I'm not real good at grouping, and I couldn't figure out how to factor it or group it. Any help would be appreciated.
Thanks,
Josh
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