x^2-150x+300=0

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Solution for x^2-150x+300=0 equation:


Simplifying
x2 + -150x + 300 = 0

Reorder the terms:
300 + -150x + x2 = 0

Solving
300 + -150x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-300' to each side of the equation.
300 + -150x + -300 + x2 = 0 + -300

Reorder the terms:
300 + -300 + -150x + x2 = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -150x + x2 = 0 + -300
-150x + x2 = 0 + -300

Combine like terms: 0 + -300 = -300
-150x + x2 = -300

The x term is -150x.  Take half its coefficient (-75).
Square it (5625) and add it to both sides.

Add '5625' to each side of the equation.
-150x + 5625 + x2 = -300 + 5625

Reorder the terms:
5625 + -150x + x2 = -300 + 5625

Combine like terms: -300 + 5625 = 5325
5625 + -150x + x2 = 5325

Factor a perfect square on the left side:
(x + -75)(x + -75) = 5325

Calculate the square root of the right side: 72.972597597

Break this problem into two subproblems by setting 
(x + -75) equal to 72.972597597 and -72.972597597.

Subproblem 1

x + -75 = 72.972597597 Simplifying x + -75 = 72.972597597 Reorder the terms: -75 + x = 72.972597597 Solving -75 + x = 72.972597597 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '75' to each side of the equation. -75 + 75 + x = 72.972597597 + 75 Combine like terms: -75 + 75 = 0 0 + x = 72.972597597 + 75 x = 72.972597597 + 75 Combine like terms: 72.972597597 + 75 = 147.972597597 x = 147.972597597 Simplifying x = 147.972597597

Subproblem 2

x + -75 = -72.972597597 Simplifying x + -75 = -72.972597597 Reorder the terms: -75 + x = -72.972597597 Solving -75 + x = -72.972597597 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '75' to each side of the equation. -75 + 75 + x = -72.972597597 + 75 Combine like terms: -75 + 75 = 0 0 + x = -72.972597597 + 75 x = -72.972597597 + 75 Combine like terms: -72.972597597 + 75 = 2.027402403 x = 2.027402403 Simplifying x = 2.027402403

Solution

The solution to the problem is based on the solutions from the subproblems. x = {147.972597597, 2.027402403}

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