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

The leaf surface area is just as, if not more, important than the intensity of light in photosynthesis. a. True b. False
The book of Mark is probably the first Gospel to be written. a. True b. False
how many pairs of parallel sides does a trapezoid have?
Which structure makes it possible for the exchange of gases to occur in the gills? A. alveoli B. capillaries C. mouth D. fins
Which of the following is a term used to describe the place at which the continental crust ends and oceanic crust begins? Abyssal plain Continental shelf Contin
Which expression is equivalent to 1/4 (8 - 6x + 12)
is the statement "line plots display individual data" true or false?
Bias and interpretation can influence my perspective as an observer. True False
Following the 1896 presidential election, the two major political parties both approached William Jennings Bryan to join them. adopted much of the People’s Part
Any formation in which groundwater Rises on its own under pressure is a