x^2-16x-9740=0

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Solution for x^2-16x-9740=0 equation:


Simplifying
x2 + -16x + -9740 = 0

Reorder the terms:
-9740 + -16x + x2 = 0

Solving
-9740 + -16x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '9740' to each side of the equation.
-9740 + -16x + 9740 + x2 = 0 + 9740

Reorder the terms:
-9740 + 9740 + -16x + x2 = 0 + 9740

Combine like terms: -9740 + 9740 = 0
0 + -16x + x2 = 0 + 9740
-16x + x2 = 0 + 9740

Combine like terms: 0 + 9740 = 9740
-16x + x2 = 9740

The x term is -16x.  Take half its coefficient (-8).
Square it (64) and add it to both sides.

Add '64' to each side of the equation.
-16x + 64 + x2 = 9740 + 64

Reorder the terms:
64 + -16x + x2 = 9740 + 64

Combine like terms: 9740 + 64 = 9804
64 + -16x + x2 = 9804

Factor a perfect square on the left side:
(x + -8)(x + -8) = 9804

Calculate the square root of the right side: 99.015150356

Break this problem into two subproblems by setting 
(x + -8) equal to 99.015150356 and -99.015150356.

Subproblem 1

x + -8 = 99.015150356 Simplifying x + -8 = 99.015150356 Reorder the terms: -8 + x = 99.015150356 Solving -8 + x = 99.015150356 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = 99.015150356 + 8 Combine like terms: -8 + 8 = 0 0 + x = 99.015150356 + 8 x = 99.015150356 + 8 Combine like terms: 99.015150356 + 8 = 107.015150356 x = 107.015150356 Simplifying x = 107.015150356

Subproblem 2

x + -8 = -99.015150356 Simplifying x + -8 = -99.015150356 Reorder the terms: -8 + x = -99.015150356 Solving -8 + x = -99.015150356 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8' to each side of the equation. -8 + 8 + x = -99.015150356 + 8 Combine like terms: -8 + 8 = 0 0 + x = -99.015150356 + 8 x = -99.015150356 + 8 Combine like terms: -99.015150356 + 8 = -91.015150356 x = -91.015150356 Simplifying x = -91.015150356

Solution

The solution to the problem is based on the solutions from the subproblems. x = {107.015150356, -91.015150356}

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