-x^2+50x+67=0

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Solution for -x^2+50x+67=0 equation:


Simplifying
-1x2 + 50x + 67 = 0

Reorder the terms:
67 + 50x + -1x2 = 0

Solving
67 + 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'.
-67 + -50x + x2 = 0

Move the constant term to the right:

Add '67' to each side of the equation.
-67 + -50x + 67 + x2 = 0 + 67

Reorder the terms:
-67 + 67 + -50x + x2 = 0 + 67

Combine like terms: -67 + 67 = 0
0 + -50x + x2 = 0 + 67
-50x + x2 = 0 + 67

Combine like terms: 0 + 67 = 67
-50x + x2 = 67

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 = 67 + 625

Reorder the terms:
625 + -50x + x2 = 67 + 625

Combine like terms: 67 + 625 = 692
625 + -50x + x2 = 692

Factor a perfect square on the left side:
(x + -25)(x + -25) = 692

Calculate the square root of the right side: 26.305892876

Break this problem into two subproblems by setting 
(x + -25) equal to 26.305892876 and -26.305892876.

Subproblem 1

x + -25 = 26.305892876 Simplifying x + -25 = 26.305892876 Reorder the terms: -25 + x = 26.305892876 Solving -25 + x = 26.305892876 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 = 26.305892876 + 25 Combine like terms: -25 + 25 = 0 0 + x = 26.305892876 + 25 x = 26.305892876 + 25 Combine like terms: 26.305892876 + 25 = 51.305892876 x = 51.305892876 Simplifying x = 51.305892876

Subproblem 2

x + -25 = -26.305892876 Simplifying x + -25 = -26.305892876 Reorder the terms: -25 + x = -26.305892876 Solving -25 + x = -26.305892876 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 = -26.305892876 + 25 Combine like terms: -25 + 25 = 0 0 + x = -26.305892876 + 25 x = -26.305892876 + 25 Combine like terms: -26.305892876 + 25 = -1.305892876 x = -1.305892876 Simplifying x = -1.305892876

Solution

The solution to the problem is based on the solutions from the subproblems. x = {51.305892876, -1.305892876}

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