n^2-9=-8

Simple and best practice solution for n^2-9=-8 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^2-9=-8 equation: 


Simplifying
n2 + -9 = -8

Reorder the terms:
-9 + n2 = -8

Solving
-9 + n2 = -8

Solving for variable 'n'.

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

Add '9' to each side of the equation.
-9 + 9 + n2 = -8 + 9

Combine like terms: -9 + 9 = 0
0 + n2 = -8 + 9
n2 = -8 + 9

Combine like terms: -8 + 9 = 1
n2 = 1

Simplifying
n2 = 1

Take the square root of each side:
n = {-1, 1}

See similar equations:

| 7x-17=2x+8 | | 2(.03-2y)/5 | | -70+2x=38-4x | | x^7/x= | | x/-8=5=10 | | -105+x=-12x+90 | | 10x+32=-20+6x | | (x)=3x-6 | | sinx=.25 | | (x^2-x-6)(x+1)= | | 9x-20=7x+24 | | 8(6y+12)=84(8) | | (x+1)(3x^2-15)= | | 8(6y)+12=(84)8 | | -16x^2-18x=0 | | (2x^2-10)(x+2)= | | x+33=5x+1 | | d^2+8d+16= | | 2x^7-12x/2x= | | 3x/4x= | | y^9/y^6= | | 12t^2+4t-5t+5=1 | | 8x-23x=24 | | 1.5=x/100000 | | 4y-2+y+33=8y+40-6y | | 32x^3y/8x^4= | | 10-7/9y=1/6 | | 32x^3y/8x^4 | | -2.5(w-1)=5 | | (x^2y)(8x)= | | (x^2y)(y^6)= | | s^2-2=0 |

Equations solver categories