3x^2+10x-3600=0

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Solution for 3x^2+10x-3600=0 equation:


Simplifying
3x2 + 10x + -3600 = 0

Reorder the terms:
-3600 + 10x + 3x2 = 0

Solving
-3600 + 10x + 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'.
-1200 + 3.333333333x + x2 = 0

Move the constant term to the right:

Add '1200' to each side of the equation.
-1200 + 3.333333333x + 1200 + x2 = 0 + 1200

Reorder the terms:
-1200 + 1200 + 3.333333333x + x2 = 0 + 1200

Combine like terms: -1200 + 1200 = 0
0 + 3.333333333x + x2 = 0 + 1200
3.333333333x + x2 = 0 + 1200

Combine like terms: 0 + 1200 = 1200
3.333333333x + x2 = 1200

The x term is 3.333333333x.  Take half its coefficient (1.666666667).
Square it (2.777777779) and add it to both sides.

Add '2.777777779' to each side of the equation.
3.333333333x + 2.777777779 + x2 = 1200 + 2.777777779

Reorder the terms:
2.777777779 + 3.333333333x + x2 = 1200 + 2.777777779

Combine like terms: 1200 + 2.777777779 = 1202.777777779
2.777777779 + 3.333333333x + x2 = 1202.777777779

Factor a perfect square on the left side:
(x + 1.666666667)(x + 1.666666667) = 1202.777777779

Calculate the square root of the right side: 34.681086744

Break this problem into two subproblems by setting 
(x + 1.666666667) equal to 34.681086744 and -34.681086744.

Subproblem 1

x + 1.666666667 = 34.681086744 Simplifying x + 1.666666667 = 34.681086744 Reorder the terms: 1.666666667 + x = 34.681086744 Solving 1.666666667 + x = 34.681086744 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = 34.681086744 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = 34.681086744 + -1.666666667 x = 34.681086744 + -1.666666667 Combine like terms: 34.681086744 + -1.666666667 = 33.014420077 x = 33.014420077 Simplifying x = 33.014420077

Subproblem 2

x + 1.666666667 = -34.681086744 Simplifying x + 1.666666667 = -34.681086744 Reorder the terms: 1.666666667 + x = -34.681086744 Solving 1.666666667 + x = -34.681086744 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.666666667' to each side of the equation. 1.666666667 + -1.666666667 + x = -34.681086744 + -1.666666667 Combine like terms: 1.666666667 + -1.666666667 = 0.000000000 0.000000000 + x = -34.681086744 + -1.666666667 x = -34.681086744 + -1.666666667 Combine like terms: -34.681086744 + -1.666666667 = -36.347753411 x = -36.347753411 Simplifying x = -36.347753411

Solution

The solution to the problem is based on the solutions from the subproblems. x = {33.014420077, -36.347753411}

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