2x^2+65x-1250=0

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Solution for 2x^2+65x-1250=0 equation:


Simplifying
2x2 + 65x + -1250 = 0

Reorder the terms:
-1250 + 65x + 2x2 = 0

Solving
-1250 + 65x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
-625 + 32.5x + x2 = 0

Move the constant term to the right:

Add '625' to each side of the equation.
-625 + 32.5x + 625 + x2 = 0 + 625

Reorder the terms:
-625 + 625 + 32.5x + x2 = 0 + 625

Combine like terms: -625 + 625 = 0
0 + 32.5x + x2 = 0 + 625
32.5x + x2 = 0 + 625

Combine like terms: 0 + 625 = 625
32.5x + x2 = 625

The x term is 32.5x.  Take half its coefficient (16.25).
Square it (264.0625) and add it to both sides.

Add '264.0625' to each side of the equation.
32.5x + 264.0625 + x2 = 625 + 264.0625

Reorder the terms:
264.0625 + 32.5x + x2 = 625 + 264.0625

Combine like terms: 625 + 264.0625 = 889.0625
264.0625 + 32.5x + x2 = 889.0625

Factor a perfect square on the left side:
(x + 16.25)(x + 16.25) = 889.0625

Calculate the square root of the right side: 29.817151105

Break this problem into two subproblems by setting 
(x + 16.25) equal to 29.817151105 and -29.817151105.

Subproblem 1

x + 16.25 = 29.817151105 Simplifying x + 16.25 = 29.817151105 Reorder the terms: 16.25 + x = 29.817151105 Solving 16.25 + x = 29.817151105 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16.25' to each side of the equation. 16.25 + -16.25 + x = 29.817151105 + -16.25 Combine like terms: 16.25 + -16.25 = 0.00 0.00 + x = 29.817151105 + -16.25 x = 29.817151105 + -16.25 Combine like terms: 29.817151105 + -16.25 = 13.567151105 x = 13.567151105 Simplifying x = 13.567151105

Subproblem 2

x + 16.25 = -29.817151105 Simplifying x + 16.25 = -29.817151105 Reorder the terms: 16.25 + x = -29.817151105 Solving 16.25 + x = -29.817151105 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16.25' to each side of the equation. 16.25 + -16.25 + x = -29.817151105 + -16.25 Combine like terms: 16.25 + -16.25 = 0.00 0.00 + x = -29.817151105 + -16.25 x = -29.817151105 + -16.25 Combine like terms: -29.817151105 + -16.25 = -46.067151105 x = -46.067151105 Simplifying x = -46.067151105

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.567151105, -46.067151105}

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