x^2-10+x-98=180

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Solution for x^2-10+x-98=180 equation:


Simplifying
x2 + -10 + x + -98 = 180

Reorder the terms:
-10 + -98 + x + x2 = 180

Combine like terms: -10 + -98 = -108
-108 + x + x2 = 180

Solving
-108 + x + x2 = 180

Solving for variable 'x'.

Reorder the terms:
-108 + -180 + x + x2 = 180 + -180

Combine like terms: -108 + -180 = -288
-288 + x + x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-288 + x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '288' to each side of the equation.
-288 + x + 288 + x2 = 0 + 288

Reorder the terms:
-288 + 288 + x + x2 = 0 + 288

Combine like terms: -288 + 288 = 0
0 + x + x2 = 0 + 288
x + x2 = 0 + 288

Combine like terms: 0 + 288 = 288
x + x2 = 288

The x term is x.  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.
x + 0.25 + x2 = 288 + 0.25

Reorder the terms:
0.25 + x + x2 = 288 + 0.25

Combine like terms: 288 + 0.25 = 288.25
0.25 + x + x2 = 288.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 288.25

Calculate the square root of the right side: 16.977926846

Break this problem into two subproblems by setting 
(x + 0.5) equal to 16.977926846 and -16.977926846.

Subproblem 1

x + 0.5 = 16.977926846 Simplifying x + 0.5 = 16.977926846 Reorder the terms: 0.5 + x = 16.977926846 Solving 0.5 + x = 16.977926846 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 = 16.977926846 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 16.977926846 + -0.5 x = 16.977926846 + -0.5 Combine like terms: 16.977926846 + -0.5 = 16.477926846 x = 16.477926846 Simplifying x = 16.477926846

Subproblem 2

x + 0.5 = -16.977926846 Simplifying x + 0.5 = -16.977926846 Reorder the terms: 0.5 + x = -16.977926846 Solving 0.5 + x = -16.977926846 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 = -16.977926846 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -16.977926846 + -0.5 x = -16.977926846 + -0.5 Combine like terms: -16.977926846 + -0.5 = -17.477926846 x = -17.477926846 Simplifying x = -17.477926846

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.477926846, -17.477926846}

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