Question 687604
What quadratic equation has the solution -3+2iroot2?
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It will also have the conjugate as a root, -3 - i*2sqrt(2) = -3 - isqrt(8)
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{{{(x -(-3 + i*sqrt(8)))*(x - (-3 + i*sqrt(8))) = 0}}}
{{{(x + 3 - i*sqrt(8))*(x + 3 + i*sqrt(8)) = 0}}}
{{{x^2 + 6x + 17 = 0}}}