SOLUTION: How do you factor the binomial 21x^5-14x^4

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Question 474333: How do you factor the binomial 21x^5-14x^4
Answer by lwsshak3(11628) About Me  (Show Source):
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How do you factor the binomial 21x^5-14x^4
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f(x)=21x^5-14x^4=0
7x^4(3x-2)=0
7x^4=0
x=0 (multiplicity of 4)
or
3x-2=0
x=2/3