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Question
Find the polynomial having roots at −4 , 6 and −3 .
Answer
The polynomial generated from the given zeros is: P(x)=x3+x2−30x−72
Explanation
Step 1: Turn the zeros into factors:
Zero | Factor |
−4 | x+4 |
6 | x−6 |
−3 | x+3 |
Step 2: Multiply the factors together:
P(x)=(x+4)⋅(x−6)⋅(x+3)=x3+x2−30x−72