x^2-2x+45-100=0

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Solution for x^2-2x+45-100=0 equation:


Simplifying
x2 + -2x + 45 + -100 = 0

Reorder the terms:
45 + -100 + -2x + x2 = 0

Combine like terms: 45 + -100 = -55
-55 + -2x + x2 = 0

Solving
-55 + -2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '55' to each side of the equation.
-55 + -2x + 55 + x2 = 0 + 55

Reorder the terms:
-55 + 55 + -2x + x2 = 0 + 55

Combine like terms: -55 + 55 = 0
0 + -2x + x2 = 0 + 55
-2x + x2 = 0 + 55

Combine like terms: 0 + 55 = 55
-2x + x2 = 55

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 55 + 1

Reorder the terms:
1 + -2x + x2 = 55 + 1

Combine like terms: 55 + 1 = 56
1 + -2x + x2 = 56

Factor a perfect square on the left side:
(x + -1)(x + -1) = 56

Calculate the square root of the right side: 7.483314774

Break this problem into two subproblems by setting 
(x + -1) equal to 7.483314774 and -7.483314774.

Subproblem 1

x + -1 = 7.483314774 Simplifying x + -1 = 7.483314774 Reorder the terms: -1 + x = 7.483314774 Solving -1 + x = 7.483314774 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 7.483314774 + 1 Combine like terms: -1 + 1 = 0 0 + x = 7.483314774 + 1 x = 7.483314774 + 1 Combine like terms: 7.483314774 + 1 = 8.483314774 x = 8.483314774 Simplifying x = 8.483314774

Subproblem 2

x + -1 = -7.483314774 Simplifying x + -1 = -7.483314774 Reorder the terms: -1 + x = -7.483314774 Solving -1 + x = -7.483314774 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -7.483314774 + 1 Combine like terms: -1 + 1 = 0 0 + x = -7.483314774 + 1 x = -7.483314774 + 1 Combine like terms: -7.483314774 + 1 = -6.483314774 x = -6.483314774 Simplifying x = -6.483314774

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.483314774, -6.483314774}

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