x^2-100x+4=0

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Solution for x^2-100x+4=0 equation:


Simplifying
x2 + -100x + 4 = 0

Reorder the terms:
4 + -100x + x2 = 0

Solving
4 + -100x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + -100x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + -100x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -100x + x2 = 0 + -4
-100x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
-100x + x2 = -4

The x term is -100x.  Take half its coefficient (-50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
-100x + 2500 + x2 = -4 + 2500

Reorder the terms:
2500 + -100x + x2 = -4 + 2500

Combine like terms: -4 + 2500 = 2496
2500 + -100x + x2 = 2496

Factor a perfect square on the left side:
(x + -50)(x + -50) = 2496

Calculate the square root of the right side: 49.959983987

Break this problem into two subproblems by setting 
(x + -50) equal to 49.959983987 and -49.959983987.

Subproblem 1

x + -50 = 49.959983987 Simplifying x + -50 = 49.959983987 Reorder the terms: -50 + x = 49.959983987 Solving -50 + x = 49.959983987 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + x = 49.959983987 + 50 Combine like terms: -50 + 50 = 0 0 + x = 49.959983987 + 50 x = 49.959983987 + 50 Combine like terms: 49.959983987 + 50 = 99.959983987 x = 99.959983987 Simplifying x = 99.959983987

Subproblem 2

x + -50 = -49.959983987 Simplifying x + -50 = -49.959983987 Reorder the terms: -50 + x = -49.959983987 Solving -50 + x = -49.959983987 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '50' to each side of the equation. -50 + 50 + x = -49.959983987 + 50 Combine like terms: -50 + 50 = 0 0 + x = -49.959983987 + 50 x = -49.959983987 + 50 Combine like terms: -49.959983987 + 50 = 0.040016013 x = 0.040016013 Simplifying x = 0.040016013

Solution

The solution to the problem is based on the solutions from the subproblems. x = {99.959983987, 0.040016013}

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