2x^2+9+9=0

Simple and best practice solution for 2x^2+9+9=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 2x^2+9+9=0 equation:


Simplifying
2x2 + 9 + 9 = 0

Reorder the terms:
9 + 9 + 2x2 = 0

Combine like terms: 9 + 9 = 18
18 + 2x2 = 0

Solving
18 + 2x2 = 0

Solving for variable 'x'.

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

Add '-18' to each side of the equation.
18 + -18 + 2x2 = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 2x2 = 0 + -18
2x2 = 0 + -18

Combine like terms: 0 + -18 = -18
2x2 = -18

Divide each side by '2'.
x2 = -9

Simplifying
x2 = -9

Reorder the terms:
9 + x2 = -9 + 9

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

The solution to this equation could not be determined.

See similar equations:

| 2x+1=5-20 | | 10+4x^2-3x=0 | | T+2(T-3)=45 | | 12+x=-40 | | 6p+4p=10 | | 3x^2+5-16x=0 | | 2x+0=100 | | 8x+7-3x=45+6x | | 8+6x^2-x=0 | | 3(1.2y+5)=2(2.25y-7)+1 | | 12-4x-5=9-7x | | x^2-40=7x | | 3(1.2y+5)=2(2.25y-7+1) | | 3a^2-21=0 | | 7*x*(dy/dx)=y | | 3=223x-1 | | -2x+5=4x-49 | | A^2-13/a-4 | | (y-3)2= | | 4x-2-5x+20=20 | | -3.7=-4+0.5x | | 10+3b-2=2b | | (x+1)2= | | 2*x*x-3600=0 | | x+6x^2+15=0 | | 4u-8=-32 | | 0.03y-2.3=0.7 | | 4/5×-1/4 | | 4u-8=32 | | 4.6X+57.3=7.8-11.9X | | 0.04x+-1.9=0.1 | | (7i)/(6-3i) |

Equations solver categories