x^2-40=100

Simple and best practice solution for x^2-40=100 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=100 equation: 


Simplifying
x2 + -40 = 100

Reorder the terms:
-40 + x2 = 100

Solving
-40 + x2 = 100

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 = 100 + 40

Combine like terms: -40 + 40 = 0
0 + x2 = 100 + 40
x2 = 100 + 40

Combine like terms: 100 + 40 = 140
x2 = 140

Simplifying
x2 = 140

Take the square root of each side:
x = {-11.832159566, 11.832159566}

See similar equations:

| 2x+17+3x+4=180 | | 5-4+7x+1=2+7x | | X=99x | | 11=-2t-3 | | K+18=2 | | 3t+3=-3 | | 1-0.5n=3n+16 | | 8(x+4)=8 | | 11x+9+4ab=2ab-4x | | -(-2-12)= | | X^2-12.5+36=0 | | mnp=q(n) | | N-12=-13 | | f(x)=x^3-12x+2 | | 2x-(x+336)=149 | | 12-n=-13 | | 4h^2+7=35 | | u-16=u-21 | | 2y+10=56 | | 13x-7=240 | | 4-5x+100+-7x=180 | | 9x+4=103whatisx | | 12y-9y-14=16.45 | | ax^2+bx+c=ax^2+bx+c | | 6x+9=1x+0 | | 3y-25=y-5 | | 6x+9=0x+1 | | 6=x/4-11 | | 6x+49=9x-16 | | 11-4x=19-2x | | 6x+9=1x+1 | | 3x-11+53=90 |

Equations solver categories