1-2x^2=-31

Simple and best practice solution for 1-2x^2=-31 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 1-2x^2=-31 equation:


Simplifying
1 + -2x2 = -31

Solving
1 + -2x2 = -31

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 + -2x2 = -31 + -1

Combine like terms: 1 + -1 = 0
0 + -2x2 = -31 + -1
-2x2 = -31 + -1

Combine like terms: -31 + -1 = -32
-2x2 = -32

Divide each side by '-2'.
x2 = 16

Simplifying
x2 = 16

Take the square root of each side:
x = {-4, 4}

See similar equations:

| 8+x=14-2(x+12) | | D(t)=11t^2-110t | | -(4-6x)-(4x+5)-6x=7 | | 3(2-x)-8x=6 | | 5(2x+4)=45 | | 6x-(3x-7)=15 | | 9n-25=4n+5 | | (2x^3-xy^2)dx+(2y^3-x^2y)dy=0 | | -4(-9+x)+5x=-x-2 | | 3k+13=1 | | 3t-1(-4+6t)=16 | | -2(5+6x)=2x+10 | | y=2x^2-8x+8 | | (x+9)(x^2+7x+6)=0 | | 12s-s= | | (3u+8)(2+u)=0 | | -(6x-6)+(4x-8)=-1 | | 17-3x=-3 | | 2(1-3x)=5(x-9-2(x+2)) | | 5-3(2*+3)=-16 | | x^2+14x+20=70 | | 10a=20 | | 4t^2-15t-30=0 | | N+23=21 | | -1r+4-5r=8-13r | | 0+.16m=18+.11m | | 2(u+3)-8u=18 | | -3(x-1)+2=8x-5 | | 4-(8x-3)=-3 | | X+28=-27 | | -27=5(4f-6) | | -28=-7s |

Equations solver categories