-x^2+3720x+17954=0

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Solution for -x^2+3720x+17954=0 equation:


Simplifying
-1x2 + 3720x + 17954 = 0

Reorder the terms:
17954 + 3720x + -1x2 = 0

Solving
17954 + 3720x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
-17954 + -3720x + x2 = 0

Move the constant term to the right:

Add '17954' to each side of the equation.
-17954 + -3720x + 17954 + x2 = 0 + 17954

Reorder the terms:
-17954 + 17954 + -3720x + x2 = 0 + 17954

Combine like terms: -17954 + 17954 = 0
0 + -3720x + x2 = 0 + 17954
-3720x + x2 = 0 + 17954

Combine like terms: 0 + 17954 = 17954
-3720x + x2 = 17954

The x term is -3720x.  Take half its coefficient (-1860).
Square it (3459600) and add it to both sides.

Add '3459600' to each side of the equation.
-3720x + 3459600 + x2 = 17954 + 3459600

Reorder the terms:
3459600 + -3720x + x2 = 17954 + 3459600

Combine like terms: 17954 + 3459600 = 3477554
3459600 + -3720x + x2 = 3477554

Factor a perfect square on the left side:
(x + -1860)(x + -1860) = 3477554

Calculate the square root of the right side: 1864.820098562

Break this problem into two subproblems by setting 
(x + -1860) equal to 1864.820098562 and -1864.820098562.

Subproblem 1

x + -1860 = 1864.820098562 Simplifying x + -1860 = 1864.820098562 Reorder the terms: -1860 + x = 1864.820098562 Solving -1860 + x = 1864.820098562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1860' to each side of the equation. -1860 + 1860 + x = 1864.820098562 + 1860 Combine like terms: -1860 + 1860 = 0 0 + x = 1864.820098562 + 1860 x = 1864.820098562 + 1860 Combine like terms: 1864.820098562 + 1860 = 3724.820098562 x = 3724.820098562 Simplifying x = 3724.820098562

Subproblem 2

x + -1860 = -1864.820098562 Simplifying x + -1860 = -1864.820098562 Reorder the terms: -1860 + x = -1864.820098562 Solving -1860 + x = -1864.820098562 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1860' to each side of the equation. -1860 + 1860 + x = -1864.820098562 + 1860 Combine like terms: -1860 + 1860 = 0 0 + x = -1864.820098562 + 1860 x = -1864.820098562 + 1860 Combine like terms: -1864.820098562 + 1860 = -4.820098562 x = -4.820098562 Simplifying x = -4.820098562

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3724.820098562, -4.820098562}

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