n(n)=81

Simple and best practice solution for n(n)=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 n(n)=81 equation: 


Simplifying
n(n) = 81

Multiply n * n
n2 = 81

Solving
n2 = 81

Solving for variable 'n'.

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

Simplifying
n2 = 81

Take the square root of each side:
n = {-9, 9}

See similar equations:

| 5m^2-16m+12=0 | | 2x-3/4x-1/4-4=0 | | 17y=10 | | -2x+x=-2+2x | | 2/5x=15 | | 4x-3-2x+5= | | 4x^2-29x+27=-8x+7 | | f=k/m | | 9=15p | | 1/3(3x-4)=x+4/6 | | 0.45x=76.50 | | 7/10x=322 | | (4a^2-3a+8)+(6a^2-18a-15)=0 | | 7.25+5x=9.15+3x | | x+1/3x=4.8 | | 4x+23=11x+47 | | 10a^2-21a-7=0 | | 150x+100y=300 | | (x+2)=s | | 12(x+4)-4x=2(4x+2)-12 | | x^2+19xy+84y^2=0 | | 3(3n-n)=30 | | x^2-17xy+72y^2=0 | | 0.16x+0.04(x+8000)=920 | | 3x+2=-1.2x+2 | | x^2+xy-30y^2=0 | | 2x+51=90x-10 | | 12-7x=29x+24 | | 12=14q | | 4(2b+1)-2= | | 2.6+3n=9.5+4n | | 32.8=k-56.8 |

Equations solver categories