2x^2+31=9

Simple and best practice solution for 2x^2+31=9 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 2x^2+31=9 equation:


Simplifying
2x2 + 31 = 9

Reorder the terms:
31 + 2x2 = 9

Solving
31 + 2x2 = 9

Solving for variable 'x'.

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

Add '-31' to each side of the equation.
31 + -31 + 2x2 = 9 + -31

Combine like terms: 31 + -31 = 0
0 + 2x2 = 9 + -31
2x2 = 9 + -31

Combine like terms: 9 + -31 = -22
2x2 = -22

Divide each side by '2'.
x2 = -11

Simplifying
x2 = -11

Reorder the terms:
11 + x2 = -11 + 11

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

The solution to this equation could not be determined.

See similar equations:

| x^2+9x=-7 | | j^2-9jk-10k^2= | | 3n+5=2n | | (X^2)-4x=21 | | h^2+20=12h | | 4x+1=7x | | m^2-mv-56v^2= | | 10x-18=182 | | v^2+4v-5=0 | | 14+x+5x=3x-5x | | 4-v=1+2v | | 48-16g+g^2= | | 2(4x-6)-9=14x | | 77=5/9(f-32) | | 32+18r+r^2= | | 19x^2-17x=0 | | -2y+12=-2y+12 | | a-8+a=1+2a+2a+5 | | 5x=105 | | -w^2+10w-21=0 | | -2x-6y=2 | | z^2-11z+30= | | (x^2+2x-8)(2x-18)=0 | | 15+7r+r(r-3)-r*r= | | c^2+4c-45= | | -160=-6(2n+8)+2n | | -308k=6160 | | x^3-13x+12=0 | | 4(3s)+7(2s)= | | n^2-3n-28= | | 18w^2+81w-45=0 | | 4(3xs)+7(2s)= |

Equations solver categories