Tata94 Tata94
  • 12-03-2015
  • Mathematics
contestada

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

Respuesta :

konrad509
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

State two ways in which a single-celled organism, such as amoeba, and a human body are alike?
A number cube is rolled 24 times and lands on 2 four times and on 6 three time. Find the experimental probability of not landing on a 6
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
What sorts of signals does the brain use to communicate sensations, thoughts and actions?
How did the Declaration of Independence change the nature of the American Revolution?
What culture believes health is harmony between man and nature?
Newtons third law of motion is also known as the law of ?
What is a group of organisms that look alike and can reproduce among their selfs ?
sam cut a pie into equal parts.There are 3 slices left.The angle measures for 3 slices is 72.how many slices did he cut?
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.