x^2-202x+200=0

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Solution for x^2-202x+200=0 equation:


Simplifying
x2 + -202x + 200 = 0

Reorder the terms:
200 + -202x + x2 = 0

Solving
200 + -202x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-200' to each side of the equation.
200 + -202x + -200 + x2 = 0 + -200

Reorder the terms:
200 + -200 + -202x + x2 = 0 + -200

Combine like terms: 200 + -200 = 0
0 + -202x + x2 = 0 + -200
-202x + x2 = 0 + -200

Combine like terms: 0 + -200 = -200
-202x + x2 = -200

The x term is -202x.  Take half its coefficient (-101).
Square it (10201) and add it to both sides.

Add '10201' to each side of the equation.
-202x + 10201 + x2 = -200 + 10201

Reorder the terms:
10201 + -202x + x2 = -200 + 10201

Combine like terms: -200 + 10201 = 10001
10201 + -202x + x2 = 10001

Factor a perfect square on the left side:
(x + -101)(x + -101) = 10001

Calculate the square root of the right side: 100.004999875

Break this problem into two subproblems by setting 
(x + -101) equal to 100.004999875 and -100.004999875.

Subproblem 1

x + -101 = 100.004999875 Simplifying x + -101 = 100.004999875 Reorder the terms: -101 + x = 100.004999875 Solving -101 + x = 100.004999875 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '101' to each side of the equation. -101 + 101 + x = 100.004999875 + 101 Combine like terms: -101 + 101 = 0 0 + x = 100.004999875 + 101 x = 100.004999875 + 101 Combine like terms: 100.004999875 + 101 = 201.004999875 x = 201.004999875 Simplifying x = 201.004999875

Subproblem 2

x + -101 = -100.004999875 Simplifying x + -101 = -100.004999875 Reorder the terms: -101 + x = -100.004999875 Solving -101 + x = -100.004999875 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '101' to each side of the equation. -101 + 101 + x = -100.004999875 + 101 Combine like terms: -101 + 101 = 0 0 + x = -100.004999875 + 101 x = -100.004999875 + 101 Combine like terms: -100.004999875 + 101 = 0.995000125 x = 0.995000125 Simplifying x = 0.995000125

Solution

The solution to the problem is based on the solutions from the subproblems. x = {201.004999875, 0.995000125}

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