x*x=-81

Simple and best practice solution for x*x=-81 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*x=-81 equation: 


Simplifying
x * x = -81

Multiply x * x
x2 = -81

Solving
x2 = -81

Solving for variable 'x'.

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

Simplifying
x2 = -81

Reorder the terms:
81 + x2 = -81 + 81

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

The solution to this equation could not be determined.

See similar equations:

| 4(2x-1)=2x+14 | | 10x+22=13x+10 | | 14x+14=36 | | 2x+5=8X+25 | | 4y+20-y-4=6 | | 5r^2+33r+40= | | 8(x-2)=40 | | 7-3x+9=5x | | -0.02x^2+1.4x-12=0 | | 6(b+5)+2=22+b | | x+10=43 | | -80000x+2000000=4200000 | | 13+8x=11-4 | | 5xn=400 | | -5(3+11n)=-10(10-3n) | | 11/2+12/6= | | -4x+10x=0 | | -80000x+2000000=3600000 | | 5(k-3)+6=-2k+12 | | ln(5)+ln(x-1)=0 | | 2/6+5/2= | | 7n-10=5n+2 | | -3x-11y=3 | | 5(2f+6)=5f-9 | | -4(1+p)=-8-2p | | 6x-12y=-6 | | 0=2x^2-25x+57 | | 8=18-5x | | 20x^2+12x-56=0 | | f(x)=3x^2+24x | | 4=17-13x | | 0=2x^2-19x+30 |

Equations solver categories