9x^2-220=0

Simple and best practice solution for 9x^2-220=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 9x^2-220=0 equation:


Simplifying
9x2 + -220 = 0

Reorder the terms:
-220 + 9x2 = 0

Solving
-220 + 9x2 = 0

Solving for variable 'x'.

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

Add '220' to each side of the equation.
-220 + 220 + 9x2 = 0 + 220

Combine like terms: -220 + 220 = 0
0 + 9x2 = 0 + 220
9x2 = 0 + 220

Combine like terms: 0 + 220 = 220
9x2 = 220

Divide each side by '9'.
x2 = 24.44444444

Simplifying
x2 = 24.44444444

Take the square root of each side:
x = {-4.944132324, 4.944132324}

See similar equations:

| Xsquared+x-90= | | -2x-y-2z+4x-2y+3z= | | 8x-12/4 | | 3(5-y)=2(y+5) | | 2/5x-4=-24 | | (-2/3)*(x-1)^(-1/3)=0 | | 6u=2s-5u-7s | | 2y-x+4=0 | | 16t-7+4t=12t+1 | | (2-(x-1)^(2/3) | | 3(3x)+2(5)=60x^500 | | x+(y+2000)=8000 | | (-2/3)*(x-1)^(-1/3) | | 8000-2000x=y | | x+2x+5x-4x+7y-5y= | | 8(m-3)-2(m-2)=-20 | | 27+3*(-11)= | | X^3-3x=34 | | 0.5x=99 | | 545+5=555 | | 4c-5=2c+7+5 | | H=1/3t | | 5x+2+2x=7 | | z^4-iz^2+2=0 | | 5(5x+4)=15 | | 3y-20=-5 | | 3x+6x^2=9x^3 | | 3t+6t-t= | | k=-3y+4.3-6y | | 5m=m+12 | | x^2+3x+2=m | | 4x=10+12n |

Equations solver categories