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

are stratus clouds or cirrus clouds found closer to the ground
Select the expression that has a product with only two decimal places A= 0.45 times 37 B=67 times 5.3 C= 2.17 times 3.48. D=6.148 times 6.32
CD rom stands for compact disc
______ reactions release energy.
A person might accidentally overdraw because they forget to record a deposit. a. True b. False
Which theme is apparent in the passage? A. fraternal love B. filial love C. platonic love D. romantic love The Knight's Tale by Geoffrey Chaucer (excerpt) It's
an explosion that occurs at the end of a massive star's life is a(n)?
Who started the Reformation in England?
You like the latest laptop, but you cannot afford it. The new laptop _____ as demand for you.
A 1-liter bottle of orange juice used to cost $2.85 at a food market. Its price has increased; the new price is 110 percent of the original price. What is the n