x^2-40=800

Simple and best practice solution for x^2-40=800 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=800 equation: 


Simplifying
x2 + -40 = 800

Reorder the terms:
-40 + x2 = 800

Solving
-40 + x2 = 800

Solving for variable 'x'.

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

Add '40' to each side of the equation.
-40 + 40 + x2 = 800 + 40

Combine like terms: -40 + 40 = 0
0 + x2 = 800 + 40
x2 = 800 + 40

Combine like terms: 800 + 40 = 840
x2 = 840

Simplifying
x2 = 840

Take the square root of each side:
x = {-28.982753492, 28.982753492}

See similar equations:

| 3(7-1)=y-5 | | -8+m=11 | | 10/9=3/1 | | 6x-(2x-4)=12 | | 6p-4p+8=2p+3 | | 36x+5x-20=185 | | 321-2x=23x+300 | | 3/4=0/76 | | 3m+14=9m-4 | | (B+1)=2 | | 2+4(x-z)+6x=-96 | | r-10=16 | | -9x=-y-5 | | 3/7b | | x*27=3*24 | | Y+1+2y=10 | | r-(-18)=-10 | | 0.6x=128 | | 5z^2+37z+42=0 | | k-2=8+6k | | r-(-18)=10 | | 3y+30=136 | | 4(x-7)=2x+5 | | 8x+14=58 | | 4x+y=516 | | 3x-5(x-2)=-7+4x+5 | | r+(-18)=-10 | | 3y+30+136=180 | | 5z^2-13z-28=0 | | r+(-18)=10 | | 6(45/360x)= | | r-18=-10 |

Equations solver categories