SOLUTION: need to find all the real zeros of each polynomial function. using the zeros to factor f over the real numbers f(x)= 3x3+6x2-15x-30

SOLUTION: need to find all the real zeros of each polynomial function. using the zeros to factor f over the real numbers f(x)= 3x3+6x2-15x-30

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Question 180325This question is from textbook sullivan
: need to find all the real zeros of each polynomial function. using the zeros to factor f over the real numbers f(x)= 3x3+6x2-15x-30 This question is from textbook sullivan

Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
3x3+6x2-15x-30
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we know that possible roots are plus and minus 1,2,5,and 10
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I found +2 is a root
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so we have
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roots:
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