x(x-50)=180

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Solution for x(x-50)=180 equation:


Simplifying
x(x + -50) = 180

Reorder the terms:
x(-50 + x) = 180
(-50 * x + x * x) = 180
(-50x + x2) = 180

Solving
-50x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-180 + -50x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-180 + -50x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '180' to each side of the equation.
-180 + -50x + 180 + x2 = 0 + 180

Reorder the terms:
-180 + 180 + -50x + x2 = 0 + 180

Combine like terms: -180 + 180 = 0
0 + -50x + x2 = 0 + 180
-50x + x2 = 0 + 180

Combine like terms: 0 + 180 = 180
-50x + x2 = 180

The x term is -50x.  Take half its coefficient (-25).
Square it (625) and add it to both sides.

Add '625' to each side of the equation.
-50x + 625 + x2 = 180 + 625

Reorder the terms:
625 + -50x + x2 = 180 + 625

Combine like terms: 180 + 625 = 805
625 + -50x + x2 = 805

Factor a perfect square on the left side:
(x + -25)(x + -25) = 805

Calculate the square root of the right side: 28.372521918

Break this problem into two subproblems by setting 
(x + -25) equal to 28.372521918 and -28.372521918.

Subproblem 1

x + -25 = 28.372521918 Simplifying x + -25 = 28.372521918 Reorder the terms: -25 + x = 28.372521918 Solving -25 + x = 28.372521918 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x = 28.372521918 + 25 Combine like terms: -25 + 25 = 0 0 + x = 28.372521918 + 25 x = 28.372521918 + 25 Combine like terms: 28.372521918 + 25 = 53.372521918 x = 53.372521918 Simplifying x = 53.372521918

Subproblem 2

x + -25 = -28.372521918 Simplifying x + -25 = -28.372521918 Reorder the terms: -25 + x = -28.372521918 Solving -25 + x = -28.372521918 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x = -28.372521918 + 25 Combine like terms: -25 + 25 = 0 0 + x = -28.372521918 + 25 x = -28.372521918 + 25 Combine like terms: -28.372521918 + 25 = -3.372521918 x = -3.372521918 Simplifying x = -3.372521918

Solution

The solution to the problem is based on the solutions from the subproblems. x = {53.372521918, -3.372521918}

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