55x-x^2=150

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Solution for 55x-x^2=150 equation:


Simplifying
55x + -1x2 = 150

Solving
55x + -1x2 = 150

Solving for variable 'x'.

Reorder the terms:
-150 + 55x + -1x2 = 150 + -150

Combine like terms: 150 + -150 = 0
-150 + 55x + -1x2 = 0

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

Divide each side by '-1'.
150 + -55x + x2 = 0

Move the constant term to the right:

Add '-150' to each side of the equation.
150 + -55x + -150 + x2 = 0 + -150

Reorder the terms:
150 + -150 + -55x + x2 = 0 + -150

Combine like terms: 150 + -150 = 0
0 + -55x + x2 = 0 + -150
-55x + x2 = 0 + -150

Combine like terms: 0 + -150 = -150
-55x + x2 = -150

The x term is -55x.  Take half its coefficient (-27.5).
Square it (756.25) and add it to both sides.

Add '756.25' to each side of the equation.
-55x + 756.25 + x2 = -150 + 756.25

Reorder the terms:
756.25 + -55x + x2 = -150 + 756.25

Combine like terms: -150 + 756.25 = 606.25
756.25 + -55x + x2 = 606.25

Factor a perfect square on the left side:
(x + -27.5)(x + -27.5) = 606.25

Calculate the square root of the right side: 24.622144504

Break this problem into two subproblems by setting 
(x + -27.5) equal to 24.622144504 and -24.622144504.

Subproblem 1

x + -27.5 = 24.622144504 Simplifying x + -27.5 = 24.622144504 Reorder the terms: -27.5 + x = 24.622144504 Solving -27.5 + x = 24.622144504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27.5' to each side of the equation. -27.5 + 27.5 + x = 24.622144504 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + x = 24.622144504 + 27.5 x = 24.622144504 + 27.5 Combine like terms: 24.622144504 + 27.5 = 52.122144504 x = 52.122144504 Simplifying x = 52.122144504

Subproblem 2

x + -27.5 = -24.622144504 Simplifying x + -27.5 = -24.622144504 Reorder the terms: -27.5 + x = -24.622144504 Solving -27.5 + x = -24.622144504 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '27.5' to each side of the equation. -27.5 + 27.5 + x = -24.622144504 + 27.5 Combine like terms: -27.5 + 27.5 = 0.0 0.0 + x = -24.622144504 + 27.5 x = -24.622144504 + 27.5 Combine like terms: -24.622144504 + 27.5 = 2.877855496 x = 2.877855496 Simplifying x = 2.877855496

Solution

The solution to the problem is based on the solutions from the subproblems. x = {52.122144504, 2.877855496}

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