4123x^2+643x-532=0

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Solution for 4123x^2+643x-532=0 equation:


Simplifying
4123x2 + 643x + -532 = 0

Reorder the terms:
-532 + 643x + 4123x2 = 0

Solving
-532 + 643x + 4123x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
4123 the coefficient of the squared term: 

Divide each side by '4123'.
-0.1290322581 + 0.1559544021x + x2 = 0

Move the constant term to the right:

Add '0.1290322581' to each side of the equation.
-0.1290322581 + 0.1559544021x + 0.1290322581 + x2 = 0 + 0.1290322581

Reorder the terms:
-0.1290322581 + 0.1290322581 + 0.1559544021x + x2 = 0 + 0.1290322581

Combine like terms: -0.1290322581 + 0.1290322581 = 0.0000000000
0.0000000000 + 0.1559544021x + x2 = 0 + 0.1290322581
0.1559544021x + x2 = 0 + 0.1290322581

Combine like terms: 0 + 0.1290322581 = 0.1290322581
0.1559544021x + x2 = 0.1290322581

The x term is 0.1559544021x.  Take half its coefficient (0.07797720105).
Square it (0.006080443884) and add it to both sides.

Add '0.006080443884' to each side of the equation.
0.1559544021x + 0.006080443884 + x2 = 0.1290322581 + 0.006080443884

Reorder the terms:
0.006080443884 + 0.1559544021x + x2 = 0.1290322581 + 0.006080443884

Combine like terms: 0.1290322581 + 0.006080443884 = 0.135112701984
0.006080443884 + 0.1559544021x + x2 = 0.135112701984

Factor a perfect square on the left side:
(x + 0.07797720105)(x + 0.07797720105) = 0.135112701984

Calculate the square root of the right side: 0.367576797

Break this problem into two subproblems by setting 
(x + 0.07797720105) equal to 0.367576797 and -0.367576797.

Subproblem 1

x + 0.07797720105 = 0.367576797 Simplifying x + 0.07797720105 = 0.367576797 Reorder the terms: 0.07797720105 + x = 0.367576797 Solving 0.07797720105 + x = 0.367576797 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.07797720105' to each side of the equation. 0.07797720105 + -0.07797720105 + x = 0.367576797 + -0.07797720105 Combine like terms: 0.07797720105 + -0.07797720105 = 0.00000000000 0.00000000000 + x = 0.367576797 + -0.07797720105 x = 0.367576797 + -0.07797720105 Combine like terms: 0.367576797 + -0.07797720105 = 0.28959959595 x = 0.28959959595 Simplifying x = 0.28959959595

Subproblem 2

x + 0.07797720105 = -0.367576797 Simplifying x + 0.07797720105 = -0.367576797 Reorder the terms: 0.07797720105 + x = -0.367576797 Solving 0.07797720105 + x = -0.367576797 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.07797720105' to each side of the equation. 0.07797720105 + -0.07797720105 + x = -0.367576797 + -0.07797720105 Combine like terms: 0.07797720105 + -0.07797720105 = 0.00000000000 0.00000000000 + x = -0.367576797 + -0.07797720105 x = -0.367576797 + -0.07797720105 Combine like terms: -0.367576797 + -0.07797720105 = -0.44555399805 x = -0.44555399805 Simplifying x = -0.44555399805

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.28959959595, -0.44555399805}

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