X^2-9r^2=0

Simple and best practice solution for X^2-9r^2=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 X^2-9r^2=0 equation: 


Simplifying
X2 + -9r2 = 0

Solving
X2 + -9r2 = 0

Solving for variable 'X'.

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

Add '9r2' to each side of the equation.
X2 + -9r2 + 9r2 = 0 + 9r2

Combine like terms: -9r2 + 9r2 = 0
X2 + 0 = 0 + 9r2
X2 = 0 + 9r2
Remove the zero:
X2 = 9r2

Simplifying
X2 = 9r2

Take the square root of each side:
X = {-3r, 3r}

See similar equations:

| -0.7+2.1= | | 0.8x+4.6=3.4 | | 10m-(5m+8)=42 | | 6(x-2)=18x-2 | | n-6=-11 | | 33x-8=6 | | 3x^1+9=78 | | 2d+2c=1 | | 0.25(115-x)=35.65 | | 3x^0+9=78 | | h^2-17h+60=0 | | 4-v5=0 | | 18(2)+7(-2)= | | -3c+d=15 | | 8-1/3x=1/9x | | 15(-0.2-2x)+4.8=7.4-5.5(5.4x+1) | | 4/5n=16 | | 27x^6-48x^4=0 | | 9(2)-4(-2)= | | 4(3+x)=4(4x-1)-80 | | x+20=25 | | 4m+5n-3(9m-9n)= | | 6+5i/(-2i)=0 | | 2c+3d=1 | | 3x^10+9=78 | | 4/5(a+5)=a | | -6x^5y^5+30x^4y^4-12x^3y^3=0 | | 1/4+11/8 | | 3x^2+9=78 | | 4m+12=8m-4 | | -x+5=-x-4 | | -3-(2-6p)= |

Equations solver categories