x(x-2)=560

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Solution for x(x-2)=560 equation:


Simplifying
x(x + -2) = 560

Reorder the terms:
x(-2 + x) = 560
(-2 * x + x * x) = 560
(-2x + x2) = 560

Solving
-2x + x2 = 560

Solving for variable 'x'.

Reorder the terms:
-560 + -2x + x2 = 560 + -560

Combine like terms: 560 + -560 = 0
-560 + -2x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '560' to each side of the equation.
-560 + -2x + 560 + x2 = 0 + 560

Reorder the terms:
-560 + 560 + -2x + x2 = 0 + 560

Combine like terms: -560 + 560 = 0
0 + -2x + x2 = 0 + 560
-2x + x2 = 0 + 560

Combine like terms: 0 + 560 = 560
-2x + x2 = 560

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 = 560 + 1

Reorder the terms:
1 + -2x + x2 = 560 + 1

Combine like terms: 560 + 1 = 561
1 + -2x + x2 = 561

Factor a perfect square on the left side:
(x + -1)(x + -1) = 561

Calculate the square root of the right side: 23.685438565

Break this problem into two subproblems by setting 
(x + -1) equal to 23.685438565 and -23.685438565.

Subproblem 1

x + -1 = 23.685438565 Simplifying x + -1 = 23.685438565 Reorder the terms: -1 + x = 23.685438565 Solving -1 + x = 23.685438565 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 = 23.685438565 + 1 Combine like terms: -1 + 1 = 0 0 + x = 23.685438565 + 1 x = 23.685438565 + 1 Combine like terms: 23.685438565 + 1 = 24.685438565 x = 24.685438565 Simplifying x = 24.685438565

Subproblem 2

x + -1 = -23.685438565 Simplifying x + -1 = -23.685438565 Reorder the terms: -1 + x = -23.685438565 Solving -1 + x = -23.685438565 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 = -23.685438565 + 1 Combine like terms: -1 + 1 = 0 0 + x = -23.685438565 + 1 x = -23.685438565 + 1 Combine like terms: -23.685438565 + 1 = -22.685438565 x = -22.685438565 Simplifying x = -22.685438565

Solution

The solution to the problem is based on the solutions from the subproblems. x = {24.685438565, -22.685438565}

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