3x^2-430x-11000=

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Solution for 3x^2-430x-11000= equation:


Simplifying
3x2 + -430x + -11000 = 0

Reorder the terms:
-11000 + -430x + 3x2 = 0

Solving
-11000 + -430x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
-3666.666667 + -143.3333333x + x2 = 0

Move the constant term to the right:

Add '3666.666667' to each side of the equation.
-3666.666667 + -143.3333333x + 3666.666667 + x2 = 0 + 3666.666667

Reorder the terms:
-3666.666667 + 3666.666667 + -143.3333333x + x2 = 0 + 3666.666667

Combine like terms: -3666.666667 + 3666.666667 = 0.000000
0.000000 + -143.3333333x + x2 = 0 + 3666.666667
-143.3333333x + x2 = 0 + 3666.666667

Combine like terms: 0 + 3666.666667 = 3666.666667
-143.3333333x + x2 = 3666.666667

The x term is -143.3333333x.  Take half its coefficient (-71.66666665).
Square it (5136.111109) and add it to both sides.

Add '5136.111109' to each side of the equation.
-143.3333333x + 5136.111109 + x2 = 3666.666667 + 5136.111109

Reorder the terms:
5136.111109 + -143.3333333x + x2 = 3666.666667 + 5136.111109

Combine like terms: 3666.666667 + 5136.111109 = 8802.777776
5136.111109 + -143.3333333x + x2 = 8802.777776

Factor a perfect square on the left side:
(x + -71.66666665)(x + -71.66666665) = 8802.777776

Calculate the square root of the right side: 93.823119624

Break this problem into two subproblems by setting 
(x + -71.66666665) equal to 93.823119624 and -93.823119624.

Subproblem 1

x + -71.66666665 = 93.823119624 Simplifying x + -71.66666665 = 93.823119624 Reorder the terms: -71.66666665 + x = 93.823119624 Solving -71.66666665 + x = 93.823119624 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '71.66666665' to each side of the equation. -71.66666665 + 71.66666665 + x = 93.823119624 + 71.66666665 Combine like terms: -71.66666665 + 71.66666665 = 0.00000000 0.00000000 + x = 93.823119624 + 71.66666665 x = 93.823119624 + 71.66666665 Combine like terms: 93.823119624 + 71.66666665 = 165.489786274 x = 165.489786274 Simplifying x = 165.489786274

Subproblem 2

x + -71.66666665 = -93.823119624 Simplifying x + -71.66666665 = -93.823119624 Reorder the terms: -71.66666665 + x = -93.823119624 Solving -71.66666665 + x = -93.823119624 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '71.66666665' to each side of the equation. -71.66666665 + 71.66666665 + x = -93.823119624 + 71.66666665 Combine like terms: -71.66666665 + 71.66666665 = 0.00000000 0.00000000 + x = -93.823119624 + 71.66666665 x = -93.823119624 + 71.66666665 Combine like terms: -93.823119624 + 71.66666665 = -22.156452974 x = -22.156452974 Simplifying x = -22.156452974

Solution

The solution to the problem is based on the solutions from the subproblems. x = {165.489786274, -22.156452974}

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