z^2-16=64

Simple and best practice solution for z^2-16=64 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 z^2-16=64 equation: 


Simplifying
z2 + -16 = 64

Reorder the terms:
-16 + z2 = 64

Solving
-16 + z2 = 64

Solving for variable 'z'.

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

Add '16' to each side of the equation.
-16 + 16 + z2 = 64 + 16

Combine like terms: -16 + 16 = 0
0 + z2 = 64 + 16
z2 = 64 + 16

Combine like terms: 64 + 16 = 80
z2 = 80

Simplifying
z2 = 80

Take the square root of each side:
z = {-8.94427191, 8.94427191}

See similar equations:

| 8a-11=9 | | -12x-123+4x=37 | | 6(a+4)=60 | | 11x-26=-9x+9+15x | | h=-2t^2+200 | | -1.1w+0.8=-2.5 | | -10x+x-84=87 | | 9=2c-9 | | 1+8x=-64x+45 | | 200=-2t^2+200 | | 8+2x+3-4x=11-2x | | 58-2x=10-8x | | -4v-8=-v+4 | | (x+5)+2y=29 | | 18a=a | | -4x+16=-40 | | -67-3x+12x=131 | | 0.4x+4=0 | | 8z-9=4z-9 | | 4x^2-72x+320=0 | | 9-3x(x-5)=3(2-3x) | | y^2-3y+4=0 | | -183-7x-5x=81 | | 12x+5=-7 | | 16x^2-12x-15=0 | | -3(-4-2z)=3z | | 1.1y=10y | | .66n+5=15 | | -10x-4x=-18 | | 9x+67=-4x+2 | | 8m-21=43 | | 4+(-5n-2)=7(n+6)-8 |

Equations solver categories