z^2-49*z+8=

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Solution for z^2-49*z+8= equation:


Simplifying
z2 + -49z + 8 = 0

Reorder the terms:
8 + -49z + z2 = 0

Solving
8 + -49z + z2 = 0

Solving for variable 'z'.

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -49z + -8 + z2 = 0 + -8

Reorder the terms:
8 + -8 + -49z + z2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -49z + z2 = 0 + -8
-49z + z2 = 0 + -8

Combine like terms: 0 + -8 = -8
-49z + z2 = -8

The z term is -49z.  Take half its coefficient (-24.5).
Square it (600.25) and add it to both sides.

Add '600.25' to each side of the equation.
-49z + 600.25 + z2 = -8 + 600.25

Reorder the terms:
600.25 + -49z + z2 = -8 + 600.25

Combine like terms: -8 + 600.25 = 592.25
600.25 + -49z + z2 = 592.25

Factor a perfect square on the left side:
(z + -24.5)(z + -24.5) = 592.25

Calculate the square root of the right side: 24.336187047

Break this problem into two subproblems by setting 
(z + -24.5) equal to 24.336187047 and -24.336187047.

Subproblem 1

z + -24.5 = 24.336187047 Simplifying z + -24.5 = 24.336187047 Reorder the terms: -24.5 + z = 24.336187047 Solving -24.5 + z = 24.336187047 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + z = 24.336187047 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + z = 24.336187047 + 24.5 z = 24.336187047 + 24.5 Combine like terms: 24.336187047 + 24.5 = 48.836187047 z = 48.836187047 Simplifying z = 48.836187047

Subproblem 2

z + -24.5 = -24.336187047 Simplifying z + -24.5 = -24.336187047 Reorder the terms: -24.5 + z = -24.336187047 Solving -24.5 + z = -24.336187047 Solving for variable 'z'. Move all terms containing z to the left, all other terms to the right. Add '24.5' to each side of the equation. -24.5 + 24.5 + z = -24.336187047 + 24.5 Combine like terms: -24.5 + 24.5 = 0.0 0.0 + z = -24.336187047 + 24.5 z = -24.336187047 + 24.5 Combine like terms: -24.336187047 + 24.5 = 0.163812953 z = 0.163812953 Simplifying z = 0.163812953

Solution

The solution to the problem is based on the solutions from the subproblems. z = {48.836187047, 0.163812953}

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