-2x^2+x^2+98x-49=0

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Solution for -2x^2+x^2+98x-49=0 equation:


Simplifying
-2x2 + x2 + 98x + -49 = 0

Reorder the terms:
-49 + 98x + -2x2 + x2 = 0

Combine like terms: -2x2 + x2 = -1x2
-49 + 98x + -1x2 = 0

Solving
-49 + 98x + -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'.
49 + -98x + x2 = 0

Move the constant term to the right:

Add '-49' to each side of the equation.
49 + -98x + -49 + x2 = 0 + -49

Reorder the terms:
49 + -49 + -98x + x2 = 0 + -49

Combine like terms: 49 + -49 = 0
0 + -98x + x2 = 0 + -49
-98x + x2 = 0 + -49

Combine like terms: 0 + -49 = -49
-98x + x2 = -49

The x term is -98x.  Take half its coefficient (-49).
Square it (2401) and add it to both sides.

Add '2401' to each side of the equation.
-98x + 2401 + x2 = -49 + 2401

Reorder the terms:
2401 + -98x + x2 = -49 + 2401

Combine like terms: -49 + 2401 = 2352
2401 + -98x + x2 = 2352

Factor a perfect square on the left side:
(x + -49)(x + -49) = 2352

Calculate the square root of the right side: 48.497422612

Break this problem into two subproblems by setting 
(x + -49) equal to 48.497422612 and -48.497422612.

Subproblem 1

x + -49 = 48.497422612 Simplifying x + -49 = 48.497422612 Reorder the terms: -49 + x = 48.497422612 Solving -49 + x = 48.497422612 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 49 + x = 48.497422612 + 49 Combine like terms: -49 + 49 = 0 0 + x = 48.497422612 + 49 x = 48.497422612 + 49 Combine like terms: 48.497422612 + 49 = 97.497422612 x = 97.497422612 Simplifying x = 97.497422612

Subproblem 2

x + -49 = -48.497422612 Simplifying x + -49 = -48.497422612 Reorder the terms: -49 + x = -48.497422612 Solving -49 + x = -48.497422612 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '49' to each side of the equation. -49 + 49 + x = -48.497422612 + 49 Combine like terms: -49 + 49 = 0 0 + x = -48.497422612 + 49 x = -48.497422612 + 49 Combine like terms: -48.497422612 + 49 = 0.502577388 x = 0.502577388 Simplifying x = 0.502577388

Solution

The solution to the problem is based on the solutions from the subproblems. x = {97.497422612, 0.502577388}

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