0=-2x^2+101x-570

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Solution for 0=-2x^2+101x-570 equation:


Simplifying
0 = -2x2 + 101x + -570

Reorder the terms:
0 = -570 + 101x + -2x2

Solving
0 = -570 + 101x + -2x2

Solving for variable 'x'.

Combine like terms: 0 + 570 = 570
570 + -101x + 2x2 = -570 + 101x + -2x2 + 570 + -101x + 2x2

Reorder the terms:
570 + -101x + 2x2 = -570 + 570 + 101x + -101x + -2x2 + 2x2

Combine like terms: -570 + 570 = 0
570 + -101x + 2x2 = 0 + 101x + -101x + -2x2 + 2x2
570 + -101x + 2x2 = 101x + -101x + -2x2 + 2x2

Combine like terms: 101x + -101x = 0
570 + -101x + 2x2 = 0 + -2x2 + 2x2
570 + -101x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
570 + -101x + 2x2 = 0

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

Divide each side by '2'.
285 + -50.5x + x2 = 0

Move the constant term to the right:

Add '-285' to each side of the equation.
285 + -50.5x + -285 + x2 = 0 + -285

Reorder the terms:
285 + -285 + -50.5x + x2 = 0 + -285

Combine like terms: 285 + -285 = 0
0 + -50.5x + x2 = 0 + -285
-50.5x + x2 = 0 + -285

Combine like terms: 0 + -285 = -285
-50.5x + x2 = -285

The x term is -50.5x.  Take half its coefficient (-25.25).
Square it (637.5625) and add it to both sides.

Add '637.5625' to each side of the equation.
-50.5x + 637.5625 + x2 = -285 + 637.5625

Reorder the terms:
637.5625 + -50.5x + x2 = -285 + 637.5625

Combine like terms: -285 + 637.5625 = 352.5625
637.5625 + -50.5x + x2 = 352.5625

Factor a perfect square on the left side:
(x + -25.25)(x + -25.25) = 352.5625

Calculate the square root of the right side: 18.776647731

Break this problem into two subproblems by setting 
(x + -25.25) equal to 18.776647731 and -18.776647731.

Subproblem 1

x + -25.25 = 18.776647731 Simplifying x + -25.25 = 18.776647731 Reorder the terms: -25.25 + x = 18.776647731 Solving -25.25 + x = 18.776647731 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25.25' to each side of the equation. -25.25 + 25.25 + x = 18.776647731 + 25.25 Combine like terms: -25.25 + 25.25 = 0.00 0.00 + x = 18.776647731 + 25.25 x = 18.776647731 + 25.25 Combine like terms: 18.776647731 + 25.25 = 44.026647731 x = 44.026647731 Simplifying x = 44.026647731

Subproblem 2

x + -25.25 = -18.776647731 Simplifying x + -25.25 = -18.776647731 Reorder the terms: -25.25 + x = -18.776647731 Solving -25.25 + x = -18.776647731 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25.25' to each side of the equation. -25.25 + 25.25 + x = -18.776647731 + 25.25 Combine like terms: -25.25 + 25.25 = 0.00 0.00 + x = -18.776647731 + 25.25 x = -18.776647731 + 25.25 Combine like terms: -18.776647731 + 25.25 = 6.473352269 x = 6.473352269 Simplifying x = 6.473352269

Solution

The solution to the problem is based on the solutions from the subproblems. x = {44.026647731, 6.473352269}

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