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 force gravitational or electrical repels as well as attracts?
What is the square root of 400
Select the definition of democracy. A. rule by many B. rule by a representatives C. rule by religious leaders D. rule by a few individuals B!!!!???
what does the rotation of the Earth cause?
When you add 18 to 1/4 of a number you get the number itself
What characterizes an elastic collision, but not an inelastic collision, in a closed system? A. Momentum is conserved B. Total energy is conserved C. Kinetic e
An average person's heart beats about 103,680 times a day. write and solve an equation to find about how many times the average person's heart beats in one minu
what is the equivalent expression for (24a+56b)
The general willingness of consumers to purchase a product at various prices is __________. demand supply quantity demanded quantity supplied
which unit would be most appropriate for measuring the length of a barn?