45x=x^2-15x+600

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Solution for 45x=x^2-15x+600 equation:


Simplifying
45x = x2 + -15x + 600

Reorder the terms:
45x = 600 + -15x + x2

Solving
45x = 600 + -15x + x2

Solving for variable 'x'.

Reorder the terms:
-600 + 45x + 15x + -1x2 = 600 + -15x + x2 + -600 + 15x + -1x2

Combine like terms: 45x + 15x = 60x
-600 + 60x + -1x2 = 600 + -15x + x2 + -600 + 15x + -1x2

Reorder the terms:
-600 + 60x + -1x2 = 600 + -600 + -15x + 15x + x2 + -1x2

Combine like terms: 600 + -600 = 0
-600 + 60x + -1x2 = 0 + -15x + 15x + x2 + -1x2
-600 + 60x + -1x2 = -15x + 15x + x2 + -1x2

Combine like terms: -15x + 15x = 0
-600 + 60x + -1x2 = 0 + x2 + -1x2
-600 + 60x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-600 + 60x + -1x2 = 0

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

Divide each side by '-1'.
600 + -60x + x2 = 0

Move the constant term to the right:

Add '-600' to each side of the equation.
600 + -60x + -600 + x2 = 0 + -600

Reorder the terms:
600 + -600 + -60x + x2 = 0 + -600

Combine like terms: 600 + -600 = 0
0 + -60x + x2 = 0 + -600
-60x + x2 = 0 + -600

Combine like terms: 0 + -600 = -600
-60x + x2 = -600

The x term is -60x.  Take half its coefficient (-30).
Square it (900) and add it to both sides.

Add '900' to each side of the equation.
-60x + 900 + x2 = -600 + 900

Reorder the terms:
900 + -60x + x2 = -600 + 900

Combine like terms: -600 + 900 = 300
900 + -60x + x2 = 300

Factor a perfect square on the left side:
(x + -30)(x + -30) = 300

Calculate the square root of the right side: 17.320508076

Break this problem into two subproblems by setting 
(x + -30) equal to 17.320508076 and -17.320508076.

Subproblem 1

x + -30 = 17.320508076 Simplifying x + -30 = 17.320508076 Reorder the terms: -30 + x = 17.320508076 Solving -30 + x = 17.320508076 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + x = 17.320508076 + 30 Combine like terms: -30 + 30 = 0 0 + x = 17.320508076 + 30 x = 17.320508076 + 30 Combine like terms: 17.320508076 + 30 = 47.320508076 x = 47.320508076 Simplifying x = 47.320508076

Subproblem 2

x + -30 = -17.320508076 Simplifying x + -30 = -17.320508076 Reorder the terms: -30 + x = -17.320508076 Solving -30 + x = -17.320508076 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '30' to each side of the equation. -30 + 30 + x = -17.320508076 + 30 Combine like terms: -30 + 30 = 0 0 + x = -17.320508076 + 30 x = -17.320508076 + 30 Combine like terms: -17.320508076 + 30 = 12.679491924 x = 12.679491924 Simplifying x = 12.679491924

Solution

The solution to the problem is based on the solutions from the subproblems. x = {47.320508076, 12.679491924}

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