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

pauletta detweiler is paid a salary or $325 a week plus 2 3/4 % commission on weekly sales over $6,500. her sales last week totaled $17,400. what were her total
By 1500, what was the dominant religion in West Africa?
A teacher had 24 red pens. If the ratio of red pens to blue pens she owned was 8:7, how many pens did she have total
is ammonia a homogeneous mixture?
wich is the most abundant element in erath's crust
The county animal park is shaped like a triangle. Two perpendicular sides of the park measure 2.3 miles and 3.4 miles. What is the area of the animal park? a.
why 1 hundred 4 tens and 14 tens name the same amount.
Can you explain how to use the combine place values strategy to find 223-119
( +4)+59=70 What is the unknown number
change 12.39% to a decimal