-x^2+300x=50

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Solution for -x^2+300x=50 equation:


Simplifying
-1x2 + 300x = 50

Reorder the terms:
300x + -1x2 = 50

Solving
300x + -1x2 = 50

Solving for variable 'x'.

Reorder the terms:
-50 + 300x + -1x2 = 50 + -50

Combine like terms: 50 + -50 = 0
-50 + 300x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
50 + -300x + x2 = 0

Move the constant term to the right:

Add '-50' to each side of the equation.
50 + -300x + -50 + x2 = 0 + -50

Reorder the terms:
50 + -50 + -300x + x2 = 0 + -50

Combine like terms: 50 + -50 = 0
0 + -300x + x2 = 0 + -50
-300x + x2 = 0 + -50

Combine like terms: 0 + -50 = -50
-300x + x2 = -50

The x term is -300x.  Take half its coefficient (-150).
Square it (22500) and add it to both sides.

Add '22500' to each side of the equation.
-300x + 22500 + x2 = -50 + 22500

Reorder the terms:
22500 + -300x + x2 = -50 + 22500

Combine like terms: -50 + 22500 = 22450
22500 + -300x + x2 = 22450

Factor a perfect square on the left side:
(x + -150)(x + -150) = 22450

Calculate the square root of the right side: 149.833240638

Break this problem into two subproblems by setting 
(x + -150) equal to 149.833240638 and -149.833240638.

Subproblem 1

x + -150 = 149.833240638 Simplifying x + -150 = 149.833240638 Reorder the terms: -150 + x = 149.833240638 Solving -150 + x = 149.833240638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = 149.833240638 + 150 Combine like terms: -150 + 150 = 0 0 + x = 149.833240638 + 150 x = 149.833240638 + 150 Combine like terms: 149.833240638 + 150 = 299.833240638 x = 299.833240638 Simplifying x = 299.833240638

Subproblem 2

x + -150 = -149.833240638 Simplifying x + -150 = -149.833240638 Reorder the terms: -150 + x = -149.833240638 Solving -150 + x = -149.833240638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = -149.833240638 + 150 Combine like terms: -150 + 150 = 0 0 + x = -149.833240638 + 150 x = -149.833240638 + 150 Combine like terms: -149.833240638 + 150 = 0.166759362 x = 0.166759362 Simplifying x = 0.166759362

Solution

The solution to the problem is based on the solutions from the subproblems. x = {299.833240638, 0.166759362}

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