-x^2+50x+700=0

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Solution for -x^2+50x+700=0 equation:


Simplifying
-1x2 + 50x + 700 = 0

Reorder the terms:
700 + 50x + -1x2 = 0

Solving
700 + 50x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-700 + -50x + x2 = 0

Move the constant term to the right:

Add '700' to each side of the equation.
-700 + -50x + 700 + x2 = 0 + 700

Reorder the terms:
-700 + 700 + -50x + x2 = 0 + 700

Combine like terms: -700 + 700 = 0
0 + -50x + x2 = 0 + 700
-50x + x2 = 0 + 700

Combine like terms: 0 + 700 = 700
-50x + x2 = 700

The x term is -50x.  Take half its coefficient (-25).
Square it (625) and add it to both sides.

Add '625' to each side of the equation.
-50x + 625 + x2 = 700 + 625

Reorder the terms:
625 + -50x + x2 = 700 + 625

Combine like terms: 700 + 625 = 1325
625 + -50x + x2 = 1325

Factor a perfect square on the left side:
(x + -25)(x + -25) = 1325

Calculate the square root of the right side: 36.400549446

Break this problem into two subproblems by setting 
(x + -25) equal to 36.400549446 and -36.400549446.

Subproblem 1

x + -25 = 36.400549446 Simplifying x + -25 = 36.400549446 Reorder the terms: -25 + x = 36.400549446 Solving -25 + x = 36.400549446 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x = 36.400549446 + 25 Combine like terms: -25 + 25 = 0 0 + x = 36.400549446 + 25 x = 36.400549446 + 25 Combine like terms: 36.400549446 + 25 = 61.400549446 x = 61.400549446 Simplifying x = 61.400549446

Subproblem 2

x + -25 = -36.400549446 Simplifying x + -25 = -36.400549446 Reorder the terms: -25 + x = -36.400549446 Solving -25 + x = -36.400549446 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '25' to each side of the equation. -25 + 25 + x = -36.400549446 + 25 Combine like terms: -25 + 25 = 0 0 + x = -36.400549446 + 25 x = -36.400549446 + 25 Combine like terms: -36.400549446 + 25 = -11.400549446 x = -11.400549446 Simplifying x = -11.400549446

Solution

The solution to the problem is based on the solutions from the subproblems. x = {61.400549446, -11.400549446}

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