x^2-45x+150=0

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Solution for x^2-45x+150=0 equation:


Simplifying
x2 + -45x + 150 = 0

Reorder the terms:
150 + -45x + x2 = 0

Solving
150 + -45x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-150' to each side of the equation.
150 + -45x + -150 + x2 = 0 + -150

Reorder the terms:
150 + -150 + -45x + x2 = 0 + -150

Combine like terms: 150 + -150 = 0
0 + -45x + x2 = 0 + -150
-45x + x2 = 0 + -150

Combine like terms: 0 + -150 = -150
-45x + x2 = -150

The x term is -45x.  Take half its coefficient (-22.5).
Square it (506.25) and add it to both sides.

Add '506.25' to each side of the equation.
-45x + 506.25 + x2 = -150 + 506.25

Reorder the terms:
506.25 + -45x + x2 = -150 + 506.25

Combine like terms: -150 + 506.25 = 356.25
506.25 + -45x + x2 = 356.25

Factor a perfect square on the left side:
(x + -22.5)(x + -22.5) = 356.25

Calculate the square root of the right side: 18.874586088

Break this problem into two subproblems by setting 
(x + -22.5) equal to 18.874586088 and -18.874586088.

Subproblem 1

x + -22.5 = 18.874586088 Simplifying x + -22.5 = 18.874586088 Reorder the terms: -22.5 + x = 18.874586088 Solving -22.5 + x = 18.874586088 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '22.5' to each side of the equation. -22.5 + 22.5 + x = 18.874586088 + 22.5 Combine like terms: -22.5 + 22.5 = 0.0 0.0 + x = 18.874586088 + 22.5 x = 18.874586088 + 22.5 Combine like terms: 18.874586088 + 22.5 = 41.374586088 x = 41.374586088 Simplifying x = 41.374586088

Subproblem 2

x + -22.5 = -18.874586088 Simplifying x + -22.5 = -18.874586088 Reorder the terms: -22.5 + x = -18.874586088 Solving -22.5 + x = -18.874586088 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '22.5' to each side of the equation. -22.5 + 22.5 + x = -18.874586088 + 22.5 Combine like terms: -22.5 + 22.5 = 0.0 0.0 + x = -18.874586088 + 22.5 x = -18.874586088 + 22.5 Combine like terms: -18.874586088 + 22.5 = 3.625413912 x = 3.625413912 Simplifying x = 3.625413912

Solution

The solution to the problem is based on the solutions from the subproblems. x = {41.374586088, 3.625413912}

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