x^2=40-x^2

Simple and best practice solution for x^2=40-x^2 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=40-x^2 equation: 


Simplifying
x2 = 40 + -1x2

Solving
x2 = 40 + -1x2

Solving for variable 'x'.

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

Add 'x2' to each side of the equation.
x2 + x2 = 40 + -1x2 + x2

Combine like terms: x2 + x2 = 2x2
2x2 = 40 + -1x2 + x2

Combine like terms: -1x2 + x2 = 0
2x2 = 40 + 0
2x2 = 40

Divide each side by '2'.
x2 = 20

Simplifying
x2 = 20

Take the square root of each side:
x = {-4.472135955, 4.472135955}

See similar equations:

| 3n+7=14 | | 2007g+300dhot= | | 4x+13=5x+11 | | 3x=3(10-x) | | 5(x-4)-(2-3x)=0 | | 3*7+2y=13 | | 12+3x=y | | 0.3x+0.4(0.4)=3.5 | | 7t+17=31 | | 0.3(0.3)+0.4y=3.5 | | ln(x-5)+ln(x+2)=ln(2x-4) | | 36=-4t | | -1.3x+1.2(1.2)=-3.2 | | 60+22q+2q^2=0 | | 140=56+2x+x+3 | | 2sin^2(3x)=1-cos(6x) | | x^2-8x*12=0 | | 2x^3+x+3=0 | | 20y^2+16y-21= | | x+8=4y-7 | | 3(sin(2x))-2=0 | | 3sin(2x)-2=0 | | -5a=-40 | | 9z^2+9z-10= | | 28=180 | | x^2ln(x)=4ln(x) | | 4-3=-17 | | x^2-20x+690=0 | | 24x^3=107x^3 | | 0.6666666666666666x=-.5x+5 | | 110+52y=-16 | | 18x^2-20x-9=0 |

Equations solver categories