124x-0.1x^2=-2950

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Solution for 124x-0.1x^2=-2950 equation:


Simplifying
124x + -0.1x2 = -2950

Solving
124x + -0.1x2 = -2950

Solving for variable 'x'.

Reorder the terms:
2950 + 124x + -0.1x2 = -2950 + 2950

Combine like terms: -2950 + 2950 = 0
2950 + 124x + -0.1x2 = 0

Begin completing the square.  Divide all terms by
-0.1 the coefficient of the squared term: 

Divide each side by '-0.1'.
-29500 + -1240x + x2 = 0

Move the constant term to the right:

Add '29500' to each side of the equation.
-29500 + -1240x + 29500 + x2 = 0 + 29500

Reorder the terms:
-29500 + 29500 + -1240x + x2 = 0 + 29500

Combine like terms: -29500 + 29500 = 0
0 + -1240x + x2 = 0 + 29500
-1240x + x2 = 0 + 29500

Combine like terms: 0 + 29500 = 29500
-1240x + x2 = 29500

The x term is -1240x.  Take half its coefficient (-620).
Square it (384400) and add it to both sides.

Add '384400' to each side of the equation.
-1240x + 384400 + x2 = 29500 + 384400

Reorder the terms:
384400 + -1240x + x2 = 29500 + 384400

Combine like terms: 29500 + 384400 = 413900
384400 + -1240x + x2 = 413900

Factor a perfect square on the left side:
(x + -620)(x + -620) = 413900

Calculate the square root of the right side: 643.350604259

Break this problem into two subproblems by setting 
(x + -620) equal to 643.350604259 and -643.350604259.

Subproblem 1

x + -620 = 643.350604259 Simplifying x + -620 = 643.350604259 Reorder the terms: -620 + x = 643.350604259 Solving -620 + x = 643.350604259 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '620' to each side of the equation. -620 + 620 + x = 643.350604259 + 620 Combine like terms: -620 + 620 = 0 0 + x = 643.350604259 + 620 x = 643.350604259 + 620 Combine like terms: 643.350604259 + 620 = 1263.350604259 x = 1263.350604259 Simplifying x = 1263.350604259

Subproblem 2

x + -620 = -643.350604259 Simplifying x + -620 = -643.350604259 Reorder the terms: -620 + x = -643.350604259 Solving -620 + x = -643.350604259 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '620' to each side of the equation. -620 + 620 + x = -643.350604259 + 620 Combine like terms: -620 + 620 = 0 0 + x = -643.350604259 + 620 x = -643.350604259 + 620 Combine like terms: -643.350604259 + 620 = -23.350604259 x = -23.350604259 Simplifying x = -23.350604259

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1263.350604259, -23.350604259}

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