Mathematics, 03.07.2019 18:50, krislinsanchez8088
Factor 2x^3+3x^2-23x-12, given that x+4 is a factor
Answers: 2
![2x^3+3x^2-23x-12\\ =2x^3+8x^2-5x^2-20x-3x-12\\ =2x^2(x+4)-5x(x+4)-3(x+4)\\ =(x+4)(2x^2-5x-3)\\ =(x+4)(2x^2-6x+x-3)\\ =(x+4)[2x(x-3)+1(x+3)]\\ =(x+4)(x-3)(2x+1)](/tpl/images/0545/0412/f059c.png)
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Factor 2x^3+3x^2-23x-12, given that x+4 is a factor...
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