SOLUTION: Find a cubic polynomial in standard form with real coefficients having the given zeros 1 & 1+2i

SOLUTION: Find a cubic polynomial in standard form with real coefficients having the given zeros 1 & 1+2i

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Question 1078910: Find a cubic polynomial in standard form with real coefficients having the given zeros 1 & 1+2i
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

given:
&
if we have , than we have also , complex solutions come always in pairs
so, we use zero product formula to find equation:
....plug in , , and

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