3x^2+253x=120000-19500-6000

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Solution for 3x^2+253x=120000-19500-6000 equation:


Simplifying
3x2 + 253x = 120000 + -19500 + -6000

Reorder the terms:
253x + 3x2 = 120000 + -19500 + -6000

Combine like terms: 120000 + -19500 = 100500
253x + 3x2 = 100500 + -6000

Combine like terms: 100500 + -6000 = 94500
253x + 3x2 = 94500

Solving
253x + 3x2 = 94500

Solving for variable 'x'.

Reorder the terms:
-94500 + 253x + 3x2 = 94500 + -94500

Combine like terms: 94500 + -94500 = 0
-94500 + 253x + 3x2 = 0

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

Divide each side by '3'.
-31500 + 84.33333333x + x2 = 0

Move the constant term to the right:

Add '31500' to each side of the equation.
-31500 + 84.33333333x + 31500 + x2 = 0 + 31500

Reorder the terms:
-31500 + 31500 + 84.33333333x + x2 = 0 + 31500

Combine like terms: -31500 + 31500 = 0
0 + 84.33333333x + x2 = 0 + 31500
84.33333333x + x2 = 0 + 31500

Combine like terms: 0 + 31500 = 31500
84.33333333x + x2 = 31500

The x term is 84.33333333x.  Take half its coefficient (42.16666667).
Square it (1778.027778) and add it to both sides.

Add '1778.027778' to each side of the equation.
84.33333333x + 1778.027778 + x2 = 31500 + 1778.027778

Reorder the terms:
1778.027778 + 84.33333333x + x2 = 31500 + 1778.027778

Combine like terms: 31500 + 1778.027778 = 33278.027778
1778.027778 + 84.33333333x + x2 = 33278.027778

Factor a perfect square on the left side:
(x + 42.16666667)(x + 42.16666667) = 33278.027778

Calculate the square root of the right side: 182.422662457

Break this problem into two subproblems by setting 
(x + 42.16666667) equal to 182.422662457 and -182.422662457.

Subproblem 1

x + 42.16666667 = 182.422662457 Simplifying x + 42.16666667 = 182.422662457 Reorder the terms: 42.16666667 + x = 182.422662457 Solving 42.16666667 + x = 182.422662457 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-42.16666667' to each side of the equation. 42.16666667 + -42.16666667 + x = 182.422662457 + -42.16666667 Combine like terms: 42.16666667 + -42.16666667 = 0.00000000 0.00000000 + x = 182.422662457 + -42.16666667 x = 182.422662457 + -42.16666667 Combine like terms: 182.422662457 + -42.16666667 = 140.255995787 x = 140.255995787 Simplifying x = 140.255995787

Subproblem 2

x + 42.16666667 = -182.422662457 Simplifying x + 42.16666667 = -182.422662457 Reorder the terms: 42.16666667 + x = -182.422662457 Solving 42.16666667 + x = -182.422662457 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-42.16666667' to each side of the equation. 42.16666667 + -42.16666667 + x = -182.422662457 + -42.16666667 Combine like terms: 42.16666667 + -42.16666667 = 0.00000000 0.00000000 + x = -182.422662457 + -42.16666667 x = -182.422662457 + -42.16666667 Combine like terms: -182.422662457 + -42.16666667 = -224.589329127 x = -224.589329127 Simplifying x = -224.589329127

Solution

The solution to the problem is based on the solutions from the subproblems. x = {140.255995787, -224.589329127}

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