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

Plz I need help !! 12?points !!!
Aside from plays, what other form of literature did Henrik Ibsen write?
the large flat muscle that controls your breathing is called
Which of the following is an example of an informal economic institution?
Facts that describe a relationship in the natural world is called A a scientific theory B a hypothesis C a supreme court ruling D a scientific law
Suffix in useless and then the base word
Which statements about opposites are true? 39 POINTS! Select each correct answer. MORE THAN ONE ANSWER! The opposite of a number is 1 divided by that number. Th
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination. 2x + 6y = 6 3x + 9y = 9
write a problem for the equation 4.65=x-2.35. Then solve the equation and write the answer to your problem:)
How can you solve this answer a school cafeteria makes cheese sauce for macaroni using 15 cups of Swiss cheese and 17 cups of cheddar cheese Perry tries to make