x^2-(x-3)=98

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Solution for x^2-(x-3)=98 equation:


Simplifying
x2 + -1(x + -3) = 98

Reorder the terms:
x2 + -1(-3 + x) = 98
x2 + (-3 * -1 + x * -1) = 98
x2 + (3 + -1x) = 98

Reorder the terms:
3 + -1x + x2 = 98

Solving
3 + -1x + x2 = 98

Solving for variable 'x'.

Reorder the terms:
3 + -98 + -1x + x2 = 98 + -98

Combine like terms: 3 + -98 = -95
-95 + -1x + x2 = 98 + -98

Combine like terms: 98 + -98 = 0
-95 + -1x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '95' to each side of the equation.
-95 + -1x + 95 + x2 = 0 + 95

Reorder the terms:
-95 + 95 + -1x + x2 = 0 + 95

Combine like terms: -95 + 95 = 0
0 + -1x + x2 = 0 + 95
-1x + x2 = 0 + 95

Combine like terms: 0 + 95 = 95
-1x + x2 = 95

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 95 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 95 + 0.25

Combine like terms: 95 + 0.25 = 95.25
0.25 + -1x + x2 = 95.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 95.25

Calculate the square root of the right side: 9.759610648

Break this problem into two subproblems by setting 
(x + -0.5) equal to 9.759610648 and -9.759610648.

Subproblem 1

x + -0.5 = 9.759610648 Simplifying x + -0.5 = 9.759610648 Reorder the terms: -0.5 + x = 9.759610648 Solving -0.5 + x = 9.759610648 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 9.759610648 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 9.759610648 + 0.5 x = 9.759610648 + 0.5 Combine like terms: 9.759610648 + 0.5 = 10.259610648 x = 10.259610648 Simplifying x = 10.259610648

Subproblem 2

x + -0.5 = -9.759610648 Simplifying x + -0.5 = -9.759610648 Reorder the terms: -0.5 + x = -9.759610648 Solving -0.5 + x = -9.759610648 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -9.759610648 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -9.759610648 + 0.5 x = -9.759610648 + 0.5 Combine like terms: -9.759610648 + 0.5 = -9.259610648 x = -9.259610648 Simplifying x = -9.259610648

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.259610648, -9.259610648}

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