z^2-16z=-10

Simple and best practice solution for z^2-16z=-10 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^2-16z=-10 equation:


Simplifying
z2 + -16z = -10

Reorder the terms:
-16z + z2 = -10

Solving
-16z + z2 = -10

Solving for variable 'z'.

Reorder the terms:
10 + -16z + z2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + -16z + z2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-10' to each side of the equation.
10 + -16z + -10 + z2 = 0 + -10

Reorder the terms:
10 + -10 + -16z + z2 = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -16z + z2 = 0 + -10
-16z + z2 = 0 + -10

Combine like terms: 0 + -10 = -10
-16z + z2 = -10

The z term is -16z.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16z + 64 + z2 = -10 + 64

Reorder the terms:
64 + -16z + z2 = -10 + 64

Combine like terms: -10 + 64 = 54
64 + -16z + z2 = 54

Factor a perfect square on the left side:
(z + -8)(z + -8) = 54

Calculate the square root of the right side: 7.348469228

Break this problem into two subproblems by setting 
(z + -8) equal to 7.348469228 and -7.348469228.

Subproblem 1

z + -8 = 7.348469228 Simplifying z + -8 = 7.348469228 Reorder the terms: -8 + z = 7.348469228 Solving -8 + z = 7.348469228 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + z = 7.348469228 + 8 Combine like terms: -8 + 8 = 0 0 + z = 7.348469228 + 8 z = 7.348469228 + 8 Combine like terms: 7.348469228 + 8 = 15.348469228 z = 15.348469228 Simplifying z = 15.348469228

Subproblem 2

z + -8 = -7.348469228 Simplifying z + -8 = -7.348469228 Reorder the terms: -8 + z = -7.348469228 Solving -8 + z = -7.348469228 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + z = -7.348469228 + 8 Combine like terms: -8 + 8 = 0 0 + z = -7.348469228 + 8 z = -7.348469228 + 8 Combine like terms: -7.348469228 + 8 = 0.651530772 z = 0.651530772 Simplifying z = 0.651530772

Solution

The solution to the problem is based on the solutions from the subproblems. z = {15.348469228, 0.651530772}

See similar equations:

| (z+2)(z-1)=0 | | 9(n+11)=83 | | m=p-1(p-1) | | -98=-8(8-4x)-2 | | 20n=64 | | an=1/2n^2 | | 25r-r=.06 | | (x+1)(2x+3)=28 | | Cos(x^2-4x)=0 | | -3+6(n-5)=-81 | | 1158+x+(x+97)=3815 | | 2x−1/4y=1 | | -12-4x=24 | | 12=3+5n | | -6f+2=38 | | 12x^2+13p+20=0 | | 6(7-6b)+4b=-86 | | -6f+2=48 | | 2b-1=-13b+5 | | 9+cot^2(x)=12 | | x-(-1)=-23 | | x-(-1)=23 | | -5(x+1)+5(4-x)=35 | | 25+6x=39 | | 72x^2-2= | | 9x+3=-1.5 | | x^2+y^2-2x+6y+9=O | | f(x)=5x^2+2x+7 | | 5(8+x)=55 | | 4(1-5x)=4+3x | | 4x+6y=12whatisy | | 200x-1800y=135000 |

Equations solver categories