14x^2+600x-1409=0

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Solution for 14x^2+600x-1409=0 equation:


Simplifying
14x2 + 600x + -1409 = 0

Reorder the terms:
-1409 + 600x + 14x2 = 0

Solving
-1409 + 600x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
-100.6428571 + 42.85714286x + x2 = 0

Move the constant term to the right:

Add '100.6428571' to each side of the equation.
-100.6428571 + 42.85714286x + 100.6428571 + x2 = 0 + 100.6428571

Reorder the terms:
-100.6428571 + 100.6428571 + 42.85714286x + x2 = 0 + 100.6428571

Combine like terms: -100.6428571 + 100.6428571 = 0.0000000
0.0000000 + 42.85714286x + x2 = 0 + 100.6428571
42.85714286x + x2 = 0 + 100.6428571

Combine like terms: 0 + 100.6428571 = 100.6428571
42.85714286x + x2 = 100.6428571

The x term is 42.85714286x.  Take half its coefficient (21.42857143).
Square it (459.1836735) and add it to both sides.

Add '459.1836735' to each side of the equation.
42.85714286x + 459.1836735 + x2 = 100.6428571 + 459.1836735

Reorder the terms:
459.1836735 + 42.85714286x + x2 = 100.6428571 + 459.1836735

Combine like terms: 100.6428571 + 459.1836735 = 559.8265306
459.1836735 + 42.85714286x + x2 = 559.8265306

Factor a perfect square on the left side:
(x + 21.42857143)(x + 21.42857143) = 559.8265306

Calculate the square root of the right side: 23.660653638

Break this problem into two subproblems by setting 
(x + 21.42857143) equal to 23.660653638 and -23.660653638.

Subproblem 1

x + 21.42857143 = 23.660653638 Simplifying x + 21.42857143 = 23.660653638 Reorder the terms: 21.42857143 + x = 23.660653638 Solving 21.42857143 + x = 23.660653638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21.42857143' to each side of the equation. 21.42857143 + -21.42857143 + x = 23.660653638 + -21.42857143 Combine like terms: 21.42857143 + -21.42857143 = 0.00000000 0.00000000 + x = 23.660653638 + -21.42857143 x = 23.660653638 + -21.42857143 Combine like terms: 23.660653638 + -21.42857143 = 2.232082208 x = 2.232082208 Simplifying x = 2.232082208

Subproblem 2

x + 21.42857143 = -23.660653638 Simplifying x + 21.42857143 = -23.660653638 Reorder the terms: 21.42857143 + x = -23.660653638 Solving 21.42857143 + x = -23.660653638 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21.42857143' to each side of the equation. 21.42857143 + -21.42857143 + x = -23.660653638 + -21.42857143 Combine like terms: 21.42857143 + -21.42857143 = 0.00000000 0.00000000 + x = -23.660653638 + -21.42857143 x = -23.660653638 + -21.42857143 Combine like terms: -23.660653638 + -21.42857143 = -45.089225068 x = -45.089225068 Simplifying x = -45.089225068

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.232082208, -45.089225068}

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