18x^2-36=

Simple and best practice solution for 18x^2-36= 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^2-36= equation:


Simplifying
18x2 + -36 = 0

Reorder the terms:
-36 + 18x2 = 0

Solving
-36 + 18x2 = 0

Solving for variable 'x'.

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

Add '36' to each side of the equation.
-36 + 36 + 18x2 = 0 + 36

Combine like terms: -36 + 36 = 0
0 + 18x2 = 0 + 36
18x2 = 0 + 36

Combine like terms: 0 + 36 = 36
18x2 = 36

Divide each side by '18'.
x2 = 2

Simplifying
x2 = 2

Take the square root of each side:
x = {-1.414213562, 1.414213562}

See similar equations:

| 2a+6-8a= | | x-0.9*x=7 | | 5(w-4)-1=-5(-4w+5)-9w | | 13lnx=15.8 | | -6(n+15)=14 | | 3x-8=24x-8 | | 45=5x-6 | | 9=2(x-3)-5x | | 0.1x=50 | | (3x)5= | | 9(x+3)=9(x+12) | | 10x³y²/5x²y | | -26t^2+340t=0 | | 8*w=0.5 | | 7x+11=-7x-19 | | 4x-3x+5=9 | | 6y-5=5y+3 | | 5x+26(x-2)=258 | | g(x)=8f(x-4)-4 | | (4/5)^-3 | | 16t^2+16t+12=0 | | x=1.34+.54*(-2) | | 2(-7K-5)/4-20-6K=0 | | 2x-3(x+6)=-4(x-11) | | In(9x)=1.8 | | 16t^2+16t+16=0 | | 10y-2x=40 | | 4+8y-19y= | | 2(-7K-5/4) | | 9p=18-6/p | | -0.4*w=-0.2666 | | 5n-4=2n+7 |

Equations solver categories