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Factor f(x) = 2x3 - 5x2 - 28x+ 15 into linear factors given that - 3 is a zero of f(x).f(x) = 2x3 - 5x2 - 28x + 15 =(Factor completely.)
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Factor f(x) = 2x3 - 5x2 - 28x+ 15 into linear factors given that - 3 is a zero of f(x).f(x) = 2x3 - 5x2 - 28x + 15 =(Factor completely.)

User Saman Sattari
by
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1 Answer

3 votes

We will solve as follows:


2x^3-5x^2-28x+15=2(x-2x^3-x^2-28x+15)\mleft(x-2x^3-x^2-28x+15\mright)\mleft(x-2x^3-x^2-28x+15\mright)

User Vicky Mahale
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User Steve Worswick
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Which of the following represents the zeros of f(x) = 2x3 − 5x2 − 28x + 15?
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