x^2+124x-770=0

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Solution for x^2+124x-770=0 equation:


Simplifying
x2 + 124x + -770 = 0

Reorder the terms:
-770 + 124x + x2 = 0

Solving
-770 + 124x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '770' to each side of the equation.
-770 + 124x + 770 + x2 = 0 + 770

Reorder the terms:
-770 + 770 + 124x + x2 = 0 + 770

Combine like terms: -770 + 770 = 0
0 + 124x + x2 = 0 + 770
124x + x2 = 0 + 770

Combine like terms: 0 + 770 = 770
124x + x2 = 770

The x term is 124x.  Take half its coefficient (62).
Square it (3844) and add it to both sides.

Add '3844' to each side of the equation.
124x + 3844 + x2 = 770 + 3844

Reorder the terms:
3844 + 124x + x2 = 770 + 3844

Combine like terms: 770 + 3844 = 4614
3844 + 124x + x2 = 4614

Factor a perfect square on the left side:
(x + 62)(x + 62) = 4614

Calculate the square root of the right side: 67.926430791

Break this problem into two subproblems by setting 
(x + 62) equal to 67.926430791 and -67.926430791.

Subproblem 1

x + 62 = 67.926430791 Simplifying x + 62 = 67.926430791 Reorder the terms: 62 + x = 67.926430791 Solving 62 + x = 67.926430791 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-62' to each side of the equation. 62 + -62 + x = 67.926430791 + -62 Combine like terms: 62 + -62 = 0 0 + x = 67.926430791 + -62 x = 67.926430791 + -62 Combine like terms: 67.926430791 + -62 = 5.926430791 x = 5.926430791 Simplifying x = 5.926430791

Subproblem 2

x + 62 = -67.926430791 Simplifying x + 62 = -67.926430791 Reorder the terms: 62 + x = -67.926430791 Solving 62 + x = -67.926430791 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-62' to each side of the equation. 62 + -62 + x = -67.926430791 + -62 Combine like terms: 62 + -62 = 0 0 + x = -67.926430791 + -62 x = -67.926430791 + -62 Combine like terms: -67.926430791 + -62 = -129.926430791 x = -129.926430791 Simplifying x = -129.926430791

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.926430791, -129.926430791}

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