-3.5x^2+364x=6100.5

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Solution for -3.5x^2+364x=6100.5 equation:


Simplifying
-3.5x2 + 364x = 6100.5

Reorder the terms:
364x + -3.5x2 = 6100.5

Solving
364x + -3.5x2 = 6100.5

Solving for variable 'x'.

Reorder the terms:
-6100.5 + 364x + -3.5x2 = 6100.5 + -6100.5

Combine like terms: 6100.5 + -6100.5 = 0.0
-6100.5 + 364x + -3.5x2 = 0.0

Begin completing the square.  Divide all terms by
-3.5 the coefficient of the squared term: 

Divide each side by '-3.5'.
1743 + -104x + x2 = 0

Move the constant term to the right:

Add '-1743' to each side of the equation.
1743 + -104x + -1743 + x2 = 0 + -1743

Reorder the terms:
1743 + -1743 + -104x + x2 = 0 + -1743

Combine like terms: 1743 + -1743 = 0
0 + -104x + x2 = 0 + -1743
-104x + x2 = 0 + -1743

Combine like terms: 0 + -1743 = -1743
-104x + x2 = -1743

The x term is -104x.  Take half its coefficient (-52).
Square it (2704) and add it to both sides.

Add '2704' to each side of the equation.
-104x + 2704 + x2 = -1743 + 2704

Reorder the terms:
2704 + -104x + x2 = -1743 + 2704

Combine like terms: -1743 + 2704 = 961
2704 + -104x + x2 = 961

Factor a perfect square on the left side:
(x + -52)(x + -52) = 961

Calculate the square root of the right side: 31

Break this problem into two subproblems by setting 
(x + -52) equal to 31 and -31.

Subproblem 1

x + -52 = 31 Simplifying x + -52 = 31 Reorder the terms: -52 + x = 31 Solving -52 + x = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '52' to each side of the equation. -52 + 52 + x = 31 + 52 Combine like terms: -52 + 52 = 0 0 + x = 31 + 52 x = 31 + 52 Combine like terms: 31 + 52 = 83 x = 83 Simplifying x = 83

Subproblem 2

x + -52 = -31 Simplifying x + -52 = -31 Reorder the terms: -52 + x = -31 Solving -52 + x = -31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '52' to each side of the equation. -52 + 52 + x = -31 + 52 Combine like terms: -52 + 52 = 0 0 + x = -31 + 52 x = -31 + 52 Combine like terms: -31 + 52 = 21 x = 21 Simplifying x = 21

Solution

The solution to the problem is based on the solutions from the subproblems. x = {83, 21}

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