SOLUTION: -x3 + 5x2 - 11x + 55 = 0 Find the roots of the polynomial equation.

Question 802709: -x3 + 5x2 - 11x + 55 = 0 Find the roots of the polynomial equation.

Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

.....factor, group first two terms together and second two terms together
....factor out from the first group and from the second group

....use zero product rule to find roots
if => .....one real root
if => => => or
so, you have one real root , and two complex roots and

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