x^2+43x-437=0

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Solution for x^2+43x-437=0 equation:


Simplifying
x2 + 43x + -437 = 0

Reorder the terms:
-437 + 43x + x2 = 0

Solving
-437 + 43x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '437' to each side of the equation.
-437 + 43x + 437 + x2 = 0 + 437

Reorder the terms:
-437 + 437 + 43x + x2 = 0 + 437

Combine like terms: -437 + 437 = 0
0 + 43x + x2 = 0 + 437
43x + x2 = 0 + 437

Combine like terms: 0 + 437 = 437
43x + x2 = 437

The x term is 43x.  Take half its coefficient (21.5).
Square it (462.25) and add it to both sides.

Add '462.25' to each side of the equation.
43x + 462.25 + x2 = 437 + 462.25

Reorder the terms:
462.25 + 43x + x2 = 437 + 462.25

Combine like terms: 437 + 462.25 = 899.25
462.25 + 43x + x2 = 899.25

Factor a perfect square on the left side:
(x + 21.5)(x + 21.5) = 899.25

Calculate the square root of the right side: 29.987497395

Break this problem into two subproblems by setting 
(x + 21.5) equal to 29.987497395 and -29.987497395.

Subproblem 1

x + 21.5 = 29.987497395 Simplifying x + 21.5 = 29.987497395 Reorder the terms: 21.5 + x = 29.987497395 Solving 21.5 + x = 29.987497395 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21.5' to each side of the equation. 21.5 + -21.5 + x = 29.987497395 + -21.5 Combine like terms: 21.5 + -21.5 = 0.0 0.0 + x = 29.987497395 + -21.5 x = 29.987497395 + -21.5 Combine like terms: 29.987497395 + -21.5 = 8.487497395 x = 8.487497395 Simplifying x = 8.487497395

Subproblem 2

x + 21.5 = -29.987497395 Simplifying x + 21.5 = -29.987497395 Reorder the terms: 21.5 + x = -29.987497395 Solving 21.5 + x = -29.987497395 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21.5' to each side of the equation. 21.5 + -21.5 + x = -29.987497395 + -21.5 Combine like terms: 21.5 + -21.5 = 0.0 0.0 + x = -29.987497395 + -21.5 x = -29.987497395 + -21.5 Combine like terms: -29.987497395 + -21.5 = -51.487497395 x = -51.487497395 Simplifying x = -51.487497395

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.487497395, -51.487497395}

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