18x^2+9=0

Simple and best practice solution for 18x^2+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 18x^2+9=0 equation:


Simplifying
18x2 + 9 = 0

Reorder the terms:
9 + 18x2 = 0

Solving
9 + 18x2 = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 18x2 = 0 + -9

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

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

Divide each side by '18'.
x2 = -0.5

Simplifying
x2 = -0.5

Reorder the terms:
0.5 + x2 = -0.5 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.5 + x2 = 0.0

The solution to this equation could not be determined.

See similar equations:

| 9k-6=3(2k+10) | | 24=-4x-4 | | 4-3(f-3)= | | -38=6x-14 | | C=7.25s+15.95a | | 5+2x=5x+2 | | 4(7-d)=44-2d | | -5(N+12)-7=-6+2(8-8N) | | x-4-4x=-3x-3-11 | | W-(-7)=-19 | | y+2=4-2 | | -14=14-4(9x-1) | | 2(x+30)-25=65 | | 2(m-3)=66 | | 2x-5+2x=5(x-5) | | -2x+1=-2x+3 | | 2(10x-5)=-50 | | x^2=15x+100 | | 5(11+4P)+4P=-5(-5P-9) | | x+12+5x-48=180 | | 3x-40+y=180 | | x=8-9 | | -5-6n+11=-12 | | -2x+1=x+13 | | 5x^2-3x+7=0 | | 2-(x+3)=-2+9x-9 | | 7n-6=3n+4n-6 | | -12+4c=6c-1(19+13) | | 2m+7-m=40 | | 49x^2+98x+40=0 | | 6r-3=-2(r+1) | | x=-15+2.5x |

Equations solver categories