-2x^2+267x-682=0

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Solution for -2x^2+267x-682=0 equation:


Simplifying
-2x2 + 267x + -682 = 0

Reorder the terms:
-682 + 267x + -2x2 = 0

Solving
-682 + 267x + -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'.
341 + -133.5x + x2 = 0

Move the constant term to the right:

Add '-341' to each side of the equation.
341 + -133.5x + -341 + x2 = 0 + -341

Reorder the terms:
341 + -341 + -133.5x + x2 = 0 + -341

Combine like terms: 341 + -341 = 0
0 + -133.5x + x2 = 0 + -341
-133.5x + x2 = 0 + -341

Combine like terms: 0 + -341 = -341
-133.5x + x2 = -341

The x term is -133.5x.  Take half its coefficient (-66.75).
Square it (4455.5625) and add it to both sides.

Add '4455.5625' to each side of the equation.
-133.5x + 4455.5625 + x2 = -341 + 4455.5625

Reorder the terms:
4455.5625 + -133.5x + x2 = -341 + 4455.5625

Combine like terms: -341 + 4455.5625 = 4114.5625
4455.5625 + -133.5x + x2 = 4114.5625

Factor a perfect square on the left side:
(x + -66.75)(x + -66.75) = 4114.5625

Calculate the square root of the right side: 64.1448556

Break this problem into two subproblems by setting 
(x + -66.75) equal to 64.1448556 and -64.1448556.

Subproblem 1

x + -66.75 = 64.1448556 Simplifying x + -66.75 = 64.1448556 Reorder the terms: -66.75 + x = 64.1448556 Solving -66.75 + x = 64.1448556 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '66.75' to each side of the equation. -66.75 + 66.75 + x = 64.1448556 + 66.75 Combine like terms: -66.75 + 66.75 = 0.00 0.00 + x = 64.1448556 + 66.75 x = 64.1448556 + 66.75 Combine like terms: 64.1448556 + 66.75 = 130.8948556 x = 130.8948556 Simplifying x = 130.8948556

Subproblem 2

x + -66.75 = -64.1448556 Simplifying x + -66.75 = -64.1448556 Reorder the terms: -66.75 + x = -64.1448556 Solving -66.75 + x = -64.1448556 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '66.75' to each side of the equation. -66.75 + 66.75 + x = -64.1448556 + 66.75 Combine like terms: -66.75 + 66.75 = 0.00 0.00 + x = -64.1448556 + 66.75 x = -64.1448556 + 66.75 Combine like terms: -64.1448556 + 66.75 = 2.6051444 x = 2.6051444 Simplifying x = 2.6051444

Solution

The solution to the problem is based on the solutions from the subproblems. x = {130.8948556, 2.6051444}

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