Find a polynomial of degree 3 with real coefficients and zeros of −​3,−​1, and​ 4, for which ​f(−​2)=30.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter4: Complex Numbers
Section4.2: Complex Solutions Of Equations
Problem 7ECP: Find the cubic polynomial function f with real coefficients that has 1 and 2+i as zeros, and f2=2.
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Find a polynomial of degree 3 with real coefficients and zeros of

−​3,−​1,

and​ 4, for which

​f(−​2)=30.
 
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