81+x^2=x^2+9

Simple and best practice solution for 81+x^2=x^2+9 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 81+x^2=x^2+9 equation: 


Simplifying
81 + x2 = x2 + 9

Reorder the terms:
81 + x2 = 9 + x2

Add '-1x2' to each side of the equation.
81 + x2 + -1x2 = 9 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
81 + 0 = 9 + x2 + -1x2
81 = 9 + x2 + -1x2

Combine like terms: x2 + -1x2 = 0
81 = 9 + 0
81 = 9

Solving
81 = 9

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| w^2-30w-48=0 | | 0=x^6-2x^5+x^4+2x^3-3x^2-2x+1 | | 16=4(m*2) | | 3x-8x=-5 | | 64+y=832 | | 28-3= | | 1.9r+.1r=.6 | | g(5n)=x^2+7 | | g(x)=x^2+7 | | lny=.39 | | 9(a+2)=a | | 50x+30=130 | | 5.2-x=x-1 | | -2r-2r= | | 7x/5x=10x-4/6x | | 5x-6(x+2)=6-3x | | 5/8=3/x | | 5/3=8/x | | 8/x=12/24 | | -3n-n= | | 4/6=5/6 | | y-4=1.5(x-2) | | y-4=1.5x(x-2) | | (-3n+4m+5p)-(m-n+p)= | | 10y+4-7y=-7 | | 81x^2+9x-1012= | | 2a+5=6a-13 | | 0=(t-4)*2 | | 6x-(3x+9)=5x-23 | | c(x)=10x-0.01x | | (x-y)-(2x+3y)= | | 2sqrt(x-4)=14 |

Equations solver categories