hoba
hoba hoba
  • 23-11-2016
  • Mathematics
contestada

Sole the equation 2x(2x-1)=x to the power of two plus 3x+2

Respuesta :

texaschic101
texaschic101 texaschic101
  • 23-11-2016
2x(2x - 1) = x^2 + 3x + 2
4x^2 - 2x = x^2 + 3x + 2
4x^2 - x^2 - 2x - 3x - 2 = 0
3x^2 - 5x - 2 = 0
(3x + 1)(x - 2) = 0

3x + 1 = 0
3x = -1
x = -1/3

x - 2 = 0
x = 2

so x = -1/3 or x = 2
Answer Link

Otras preguntas

what are the domain and range of the absolute value parent function
Can someone help please?
You just rode your bike for 45 minutes and bumed 560 calories. How many calories did you burn per minute?
The formula m = 12,000 + 12,000rt 12t gives Keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. What
Step 1: -10 + 8x < 6x-4 Step 2: -10 <-2x - 4 Step 3: -6 <-2x Step 4: What is the final step in solving the inequality --215-4x) 6x - 4? O x<-3 O x&g
Which of the following would be the most logical first step to solving this quadratic equation? 2x2-x+ 2 = -11 O A. Divide both sides by x. O B. Take the square
A function is shown in the table. x g(x) −2 2 −1 −3 0 2 1 17 Which of the following is a true statement for this function? (5 points)
do you feel that it is necessary to give up civil liberties to prevent terrorist attacks?
The formula m = 12,000 + 12,000rt 12t gives Keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. What
The governors in the colonies usually promoted the needs of the colonists rather than promoting British interest true or false