gabychan gabychan

12-02-2018
Mathematics

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which of the following is not a factor of the binomial 7x^2 - 28x? Explain
(1) x-4
(2) x
(3) 7
(4) -4

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tran20032003p40oq9 tran20032003p40oq9

12-02-2018

(7x^2-28x) factored is 7x(x-4). 7 and x are multiplied by the (x-4), so they are factors. x-4 is one term because it is in parenthesis and is a factor, so -4 is not a factor

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