60+5x=x^2-14

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Solution for 60+5x=x^2-14 equation:


Simplifying
60 + 5x = x2 + -14

Reorder the terms:
60 + 5x = -14 + x2

Solving
60 + 5x = -14 + x2

Solving for variable 'x'.

Reorder the terms:
60 + 14 + 5x + -1x2 = -14 + x2 + 14 + -1x2

Combine like terms: 60 + 14 = 74
74 + 5x + -1x2 = -14 + x2 + 14 + -1x2

Reorder the terms:
74 + 5x + -1x2 = -14 + 14 + x2 + -1x2

Combine like terms: -14 + 14 = 0
74 + 5x + -1x2 = 0 + x2 + -1x2
74 + 5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
74 + 5x + -1x2 = 0

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

Divide each side by '-1'.
-74 + -5x + x2 = 0

Move the constant term to the right:

Add '74' to each side of the equation.
-74 + -5x + 74 + x2 = 0 + 74

Reorder the terms:
-74 + 74 + -5x + x2 = 0 + 74

Combine like terms: -74 + 74 = 0
0 + -5x + x2 = 0 + 74
-5x + x2 = 0 + 74

Combine like terms: 0 + 74 = 74
-5x + x2 = 74

The x term is -5x.  Take half its coefficient (-2.5).
Square it (6.25) and add it to both sides.

Add '6.25' to each side of the equation.
-5x + 6.25 + x2 = 74 + 6.25

Reorder the terms:
6.25 + -5x + x2 = 74 + 6.25

Combine like terms: 74 + 6.25 = 80.25
6.25 + -5x + x2 = 80.25

Factor a perfect square on the left side:
(x + -2.5)(x + -2.5) = 80.25

Calculate the square root of the right side: 8.958236434

Break this problem into two subproblems by setting 
(x + -2.5) equal to 8.958236434 and -8.958236434.

Subproblem 1

x + -2.5 = 8.958236434 Simplifying x + -2.5 = 8.958236434 Reorder the terms: -2.5 + x = 8.958236434 Solving -2.5 + x = 8.958236434 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = 8.958236434 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = 8.958236434 + 2.5 x = 8.958236434 + 2.5 Combine like terms: 8.958236434 + 2.5 = 11.458236434 x = 11.458236434 Simplifying x = 11.458236434

Subproblem 2

x + -2.5 = -8.958236434 Simplifying x + -2.5 = -8.958236434 Reorder the terms: -2.5 + x = -8.958236434 Solving -2.5 + x = -8.958236434 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.5' to each side of the equation. -2.5 + 2.5 + x = -8.958236434 + 2.5 Combine like terms: -2.5 + 2.5 = 0.0 0.0 + x = -8.958236434 + 2.5 x = -8.958236434 + 2.5 Combine like terms: -8.958236434 + 2.5 = -6.458236434 x = -6.458236434 Simplifying x = -6.458236434

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.458236434, -6.458236434}

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