Simplify (x − 4)(x2 + 3x − 1). A.x^3-x^2+11x+4 B.x^3-x^2-13x+4 C.x^3+7x^2+11x+4 D.x^3+7x^2-13x+4

asked Oct 11, 2017 164k views

4 votes

Simplify (x − 4)(x2 + 3x − 1).

A.x^3-x^2+11x+4
B.x^3-x^2-13x+4
C.x^3+7x^2+11x+4
D.x^3+7x^2-13x+4

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6 votes

(x − 4)(x2 + 3x − 1)
=x^3 + 3x^2 - x -4x^2 - 12x +4
=x^3 -x^2 - 13x +4

answer is B.x^3-x^2-13x+4

Ctwheels answered Oct 17, 2017

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