12-03-2015
Mathematics

contestada

Solve each polynomial equation by factoring 4x^3+7x^2-5x=6

Respuesta :

konrad509 konrad509

12-03-2015

[tex]4x^3+7x^2-5x=6\\ 4x^3+7x^2-5x-6=0\\ 4x^3+8x^2-x^2-2x-3x-6=0\\ 4x^2(x+2)-x(x+2)-3(x+2)=0\\ (4x^2-x-3)(x+2)=0\\ (4x^2-4x+3x-3)(x+2)=0\\ (4x(x-1)+3(x-1))(x+2)=0\\ (4x+3)(x-1)(x+2)=0\\ x=-\dfrac{3}{4} \vee x=1 \vee x=-2[/tex]

Answer Link

Otras preguntas

(4.0), (1,3) Write in slope intercept form with steps

So what can we do with this

Which of the following statements is true of the cell membrane? 1. it controls what molecules enter and exit the cell II. it contains protein channels that help

please help me thanks

Tom's weekly salary increased from $240 to $288. What was the percent of change? A- 48% B- 20% C- 80% D- 17%

Which statement is true about the two lines whose equations are given below? A. The lines are parallel. B. The lines are perpendicular. C. The lines intersec

5x + 3 ≤ 18 and 4-X<6 Question A. Solve the inequalities and show your work. B. graph the solution to the compound sentence on the number line.

In a circuit diagram, what does this symbol represent? a resistor a light bulb a battery a switch

How were gun rights protected in the English Bill of Rights?

PLZ ANSWER ASAP ONLY IF CORRECT