wislinetheles1234 wislinetheles1234
  • 03-11-2019
  • Mathematics
contestada

The solution to the equation 2x^2+x-1=2

Respuesta :

stevenslusser
stevenslusser stevenslusser
  • 03-11-2019

Answer:

[tex]x=-\frac{3}{2}, x=1[/tex]

Step-by-step explanation:

[tex]2x^2+x-1=2[/tex]

Subtract 2 from both sides and factor:

[tex]2x^2+x-1=2\\2x^2+x-3=0\\(2x+3)(x-1)=0[/tex]

Solve each factor individually:

[tex]2x+3=0\\2x=-3\\x=-\frac{3}{2}[/tex]

[tex]x-1=0\\x=1[/tex]

Answer Link

Otras preguntas

Which expression is equal to 4√20 - 3√45 A.11√5 B.−11√5 C.√5 D.−√5
Help and try to explain please, and thank you.
The structure that is associated with regulation and coordination of movement, posture, and balance is the portion of the brain labeled A. It is called the A) c
if the expression below has a positive value , which inequality represents all possible values of x in the expression? -3x
lee company pays its employees on a graduated commission scale 6% on the first $40,000 sales 7% on sales from $40,001 to $80,000 and 13% on sales of more than $
name the organelle that controls the passage of substances in and out of the cell​
Which of the following terms applies to the way that society as a whole earns and spends money
what is 63 - x equals 2x + 3​
Suppose the numbers A and B are directly proportional. Given that A = 6 when B = 14, what is the value of B if A = 9?
Career selection should be based on salary alone. Please select the best answer from the choices provided T F