Seudónimo Seudónimo

07-12-2016
Mathematics

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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

Respuesta :

Аноним Аноним

07-12-2016

(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

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