=n^2-4

Simple and best practice solution for =n^2-4 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^2-4 equation: 


Simplifying
0 = n2 + -4

Reorder the terms:
0 = -4 + n2

Solving
0 = -4 + n2

Solving for variable 'n'.

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

Add '-1n2' to each side of the equation.
0 + -1n2 = -4 + n2 + -1n2
Remove the zero:
-1n2 = -4 + n2 + -1n2

Combine like terms: n2 + -1n2 = 0
-1n2 = -4 + 0
-1n2 = -4

Divide each side by '-1'.
n2 = 4

Simplifying
n2 = 4

Take the square root of each side:
n = {-2, 2}

See similar equations:

| 466=8x+298 | | k/8+11=42 | | (x-4)=-4x+21 | | lp+m=z-ap | | 6.46x+58.14=116.28 | | -1/20x^2+x=5 | | 5k-7=-9 | | -1/20x^2+5=16 | | 3k+13=34 | | 4-7n=1-6n | | 2x^4-18x+15=0 | | 4.8(x-2)=-0.2x+25.4 | | -4x-5+2x=-34 | | 126-2x=130 | | 126-2x=1430 | | 126-2x=140 | | x=5y^2 | | 94.23=0.13x+3.23 | | 3(6x-3)-15=8(x-4) | | 0=x/2+3 | | 4x+3=225 | | 4x(6+3)=-2 | | 75+15f=25f | | 75f+15=25f | | y=1.00(20.12)+3.12 | | 0.99t+25=1.50t | | x/2+2/3(2x+3)=46 | | 5x-1+4x=98 | | 8x-(4x+13)=28 | | 10+0.10d=0.35d | | 3x+5y+35=0 | | y^4+216y=0 |

Equations solver categories