x^2-10x-56=6

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Solution for x^2-10x-56=6 equation:


Simplifying
x2 + -10x + -56 = 6

Reorder the terms:
-56 + -10x + x2 = 6

Solving
-56 + -10x + x2 = 6

Solving for variable 'x'.

Reorder the terms:
-56 + -6 + -10x + x2 = 6 + -6

Combine like terms: -56 + -6 = -62
-62 + -10x + x2 = 6 + -6

Combine like terms: 6 + -6 = 0
-62 + -10x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '62' to each side of the equation.
-62 + -10x + 62 + x2 = 0 + 62

Reorder the terms:
-62 + 62 + -10x + x2 = 0 + 62

Combine like terms: -62 + 62 = 0
0 + -10x + x2 = 0 + 62
-10x + x2 = 0 + 62

Combine like terms: 0 + 62 = 62
-10x + x2 = 62

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = 62 + 25

Reorder the terms:
25 + -10x + x2 = 62 + 25

Combine like terms: 62 + 25 = 87
25 + -10x + x2 = 87

Factor a perfect square on the left side:
(x + -5)(x + -5) = 87

Calculate the square root of the right side: 9.327379053

Break this problem into two subproblems by setting 
(x + -5) equal to 9.327379053 and -9.327379053.

Subproblem 1

x + -5 = 9.327379053 Simplifying x + -5 = 9.327379053 Reorder the terms: -5 + x = 9.327379053 Solving -5 + x = 9.327379053 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 9.327379053 + 5 Combine like terms: -5 + 5 = 0 0 + x = 9.327379053 + 5 x = 9.327379053 + 5 Combine like terms: 9.327379053 + 5 = 14.327379053 x = 14.327379053 Simplifying x = 14.327379053

Subproblem 2

x + -5 = -9.327379053 Simplifying x + -5 = -9.327379053 Reorder the terms: -5 + x = -9.327379053 Solving -5 + x = -9.327379053 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -9.327379053 + 5 Combine like terms: -5 + 5 = 0 0 + x = -9.327379053 + 5 x = -9.327379053 + 5 Combine like terms: -9.327379053 + 5 = -4.327379053 x = -4.327379053 Simplifying x = -4.327379053

Solution

The solution to the problem is based on the solutions from the subproblems. x = {14.327379053, -4.327379053}

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