-100x+3000=60+x*x

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Solution for -100x+3000=60+x*x equation:


Simplifying
-100x + 3000 = 60 + x * x

Reorder the terms:
3000 + -100x = 60 + x * x

Multiply x * x
3000 + -100x = 60 + x2

Solving
3000 + -100x = 60 + x2

Solving for variable 'x'.

Reorder the terms:
3000 + -60 + -100x + -1x2 = 60 + x2 + -60 + -1x2

Combine like terms: 3000 + -60 = 2940
2940 + -100x + -1x2 = 60 + x2 + -60 + -1x2

Reorder the terms:
2940 + -100x + -1x2 = 60 + -60 + x2 + -1x2

Combine like terms: 60 + -60 = 0
2940 + -100x + -1x2 = 0 + x2 + -1x2
2940 + -100x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
2940 + -100x + -1x2 = 0

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

Divide each side by '-1'.
-2940 + 100x + x2 = 0

Move the constant term to the right:

Add '2940' to each side of the equation.
-2940 + 100x + 2940 + x2 = 0 + 2940

Reorder the terms:
-2940 + 2940 + 100x + x2 = 0 + 2940

Combine like terms: -2940 + 2940 = 0
0 + 100x + x2 = 0 + 2940
100x + x2 = 0 + 2940

Combine like terms: 0 + 2940 = 2940
100x + x2 = 2940

The x term is 100x.  Take half its coefficient (50).
Square it (2500) and add it to both sides.

Add '2500' to each side of the equation.
100x + 2500 + x2 = 2940 + 2500

Reorder the terms:
2500 + 100x + x2 = 2940 + 2500

Combine like terms: 2940 + 2500 = 5440
2500 + 100x + x2 = 5440

Factor a perfect square on the left side:
(x + 50)(x + 50) = 5440

Calculate the square root of the right side: 73.756355658

Break this problem into two subproblems by setting 
(x + 50) equal to 73.756355658 and -73.756355658.

Subproblem 1

x + 50 = 73.756355658 Simplifying x + 50 = 73.756355658 Reorder the terms: 50 + x = 73.756355658 Solving 50 + x = 73.756355658 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + x = 73.756355658 + -50 Combine like terms: 50 + -50 = 0 0 + x = 73.756355658 + -50 x = 73.756355658 + -50 Combine like terms: 73.756355658 + -50 = 23.756355658 x = 23.756355658 Simplifying x = 23.756355658

Subproblem 2

x + 50 = -73.756355658 Simplifying x + 50 = -73.756355658 Reorder the terms: 50 + x = -73.756355658 Solving 50 + x = -73.756355658 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-50' to each side of the equation. 50 + -50 + x = -73.756355658 + -50 Combine like terms: 50 + -50 = 0 0 + x = -73.756355658 + -50 x = -73.756355658 + -50 Combine like terms: -73.756355658 + -50 = -123.756355658 x = -123.756355658 Simplifying x = -123.756355658

Solution

The solution to the problem is based on the solutions from the subproblems. x = {23.756355658, -123.756355658}

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