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label Algebra
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Find a polynomial function of lowest degree with integer coefficients that has the following zeros: − 7, 4, − 2

 

May 21st, 2015

(x+7)(x-4)(x+2)

x(x-4)+7(x-4)

x^2-4x+7x-28

(x^2+3x-28)(x+2)

x(x^2+3x-28)+2(x^2+3x-28)

x^3+3x^2-28x+2x^2+6x-56

x^3+5x^2-22x-56


May 21st, 2015

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