x^2+50x-16=0

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Solution for x^2+50x-16=0 equation:


Simplifying
x2 + 50x + -16 = 0

Reorder the terms:
-16 + 50x + x2 = 0

Solving
-16 + 50x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '16' to each side of the equation.
-16 + 50x + 16 + x2 = 0 + 16

Reorder the terms:
-16 + 16 + 50x + x2 = 0 + 16

Combine like terms: -16 + 16 = 0
0 + 50x + x2 = 0 + 16
50x + x2 = 0 + 16

Combine like terms: 0 + 16 = 16
50x + x2 = 16

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 = 16 + 625

Reorder the terms:
625 + 50x + x2 = 16 + 625

Combine like terms: 16 + 625 = 641
625 + 50x + x2 = 641

Factor a perfect square on the left side:
(x + 25)(x + 25) = 641

Calculate the square root of the right side: 25.317977802

Break this problem into two subproblems by setting 
(x + 25) equal to 25.317977802 and -25.317977802.

Subproblem 1

x + 25 = 25.317977802 Simplifying x + 25 = 25.317977802 Reorder the terms: 25 + x = 25.317977802 Solving 25 + x = 25.317977802 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 = 25.317977802 + -25 Combine like terms: 25 + -25 = 0 0 + x = 25.317977802 + -25 x = 25.317977802 + -25 Combine like terms: 25.317977802 + -25 = 0.317977802 x = 0.317977802 Simplifying x = 0.317977802

Subproblem 2

x + 25 = -25.317977802 Simplifying x + 25 = -25.317977802 Reorder the terms: 25 + x = -25.317977802 Solving 25 + x = -25.317977802 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 = -25.317977802 + -25 Combine like terms: 25 + -25 = 0 0 + x = -25.317977802 + -25 x = -25.317977802 + -25 Combine like terms: -25.317977802 + -25 = -50.317977802 x = -50.317977802 Simplifying x = -50.317977802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.317977802, -50.317977802}

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