3-2x^2-8=0

Simple and best practice solution for 3-2x^2-8=0 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 3-2x^2-8=0 equation:


Simplifying
3 + -2x2 + -8 = 0

Reorder the terms:
3 + -8 + -2x2 = 0

Combine like terms: 3 + -8 = -5
-5 + -2x2 = 0

Solving
-5 + -2x2 = 0

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + -2x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -2x2 = 0 + 5
-2x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-2x2 = 5

Divide each side by '-2'.
x2 = -2.5

Simplifying
x2 = -2.5

Reorder the terms:
2.5 + x2 = -2.5 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
2.5 + x2 = 0.0

The solution to this equation could not be determined.

See similar equations:

| 0.3n=-12 | | 4+3x-0.5x^3=0 | | In(e^3)=In(e^3)+In(e^5) | | 8(2q-2)= | | 2(w^2-36)=0 | | 8x+4z=5+7y | | f(x)=3x^2+6x-4 | | 3e^2x=44 | | ln(x^5/x^4) | | 3x^2-5x+x^2-5x=x | | m=2/3.(7.-9) | | 3x^4-2x^3+22x^2-18x-45=0 | | -8=4+0.125b | | 2b^2+17b+35=0 | | 5(8y-9)-(7y+6)= | | 5y/y^2-2y | | 2cos(6x)+1=0 | | 4p-24=-4+8p | | 5y/y*2-2y | | 3m-20=-34+m | | 317g=kg | | 103x-4=-215x+632 | | x*x+10x=39 | | 3t*6p*5t= | | 2x+3y+2-y-8x-7= | | m+3m+5m-9= | | 5(5-d)-37=25d-6(2+5d) | | log(4)3x^2-1=x-1 | | 0=0.1t^2-3.5t+6 | | log(4)3x-1=x-1 | | -9+15x+6x=180 | | 16x*x+16x+4=0 |

Equations solver categories