(3x^2-1)=11

Simple and best practice solution for (3x^2-1)=11 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (3x^2-1)=11 equation:


Simplifying
(3x2 + -1) = 11

Reorder the terms:
(-1 + 3x2) = 11

Remove parenthesis around (-1 + 3x2)
-1 + 3x2 = 11

Solving
-1 + 3x2 = 11

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 3x2 = 11 + 1

Combine like terms: -1 + 1 = 0
0 + 3x2 = 11 + 1
3x2 = 11 + 1

Combine like terms: 11 + 1 = 12
3x2 = 12

Divide each side by '3'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

See similar equations:

| 12/48=4w/54 | | 36/54=2w/6 | | a-1=1 | | 5z+9=39 | | 2(x+14)-5=2x+3 | | -10x+13=-3x+12-4x | | 4x=10x+6x | | -(1-6)=5(1+2) | | 7/8/42/3 | | 20/4= | | -5n-8(1+7)n=-8 | | 18x-5=9/3y | | -3/5x1 | | 9(8x-5)+13=12x-2 | | 3(-x-3)=4x-2(3x+1) | | 31/1/7 | | 4.2x-13=1.4x+5 | | (2+x)/(3-2x)=-1/2 | | 19/9=x | | 82=4 | | 10y-35+3ax=5ax-7a | | -x(-9)=-8 | | -8a=22*a | | 9=2x+3y | | 3x+9/15 | | (a-x)/(8-3x)=(a+1)/7 | | a-x/8-3x=a+1/7 | | 2(x+4)=-5x-1 | | 2+x/3-2x=-1/2 | | y-1=(y+2)/3 | | y-1=y+2/3 | | 2c-18=-18 |

Equations solver categories