n^2-1=80

Simple and best practice solution for n^2-1=80 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^2-1=80 equation: 


Simplifying
n2 + -1 = 80

Reorder the terms:
-1 + n2 = 80

Solving
-1 + n2 = 80

Solving for variable 'n'.

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

Add '1' to each side of the equation.
-1 + 1 + n2 = 80 + 1

Combine like terms: -1 + 1 = 0
0 + n2 = 80 + 1
n2 = 80 + 1

Combine like terms: 80 + 1 = 81
n2 = 81

Simplifying
n2 = 81

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

See similar equations:

| 3x-24=8 | | Y=-.5(-2)+4 | | 400m=297 | | x+87=102 | | 3(2.125+.375)+14(-5.67+2.67)=203 | | 1/5(m-100) | | z-5=2z | | 2j+3y=77.30 | | 6(p-3)-4=8p-7 | | 1/3x-6= | | 27x+36=20 | | Y=4(-2)+13 | | 7-n/7n | | 1/5(m-4) | | n^2=43 | | 3x-4(6-x)=15-6x | | 4.5x=-9 | | (2z+7)(x-6)=6x+21 | | 10x+40=2 | | 3(3x+5)=78 | | 20x+48=21 | | 12x^2+9x-8x+6=1+5x | | -158=-18x+4 | | m+15.7=12.5 | | (2x^3-3x^2-18x-8)/(3x^2-12) | | 1/5m-20 | | x^3-4x=80 | | -13x+4=-100 | | b+15=8 | | 0=b^2-24b | | -8y+3x=-17 | | 10x+3=5x+5 |

Equations solver categories