151.725x^2+6181.2x-309060=0

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Solution for 151.725x^2+6181.2x-309060=0 equation:


Simplifying
151.725x2 + 6181.2x + -309060 = 0

Reorder the terms:
-309060 + 6181.2x + 151.725x2 = 0

Solving
-309060 + 6181.2x + 151.725x2 = 0

Solving for variable 'x'.

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

Divide each side by '151.725'.
-2036.97479 + 40.7394958x + x2 = 0

Move the constant term to the right:

Add '2036.97479' to each side of the equation.
-2036.97479 + 40.7394958x + 2036.97479 + x2 = 0 + 2036.97479

Reorder the terms:
-2036.97479 + 2036.97479 + 40.7394958x + x2 = 0 + 2036.97479

Combine like terms: -2036.97479 + 2036.97479 = 0.00000
0.00000 + 40.7394958x + x2 = 0 + 2036.97479
40.7394958x + x2 = 0 + 2036.97479

Combine like terms: 0 + 2036.97479 = 2036.97479
40.7394958x + x2 = 2036.97479

The x term is 40.7394958x.  Take half its coefficient (20.3697479).
Square it (414.9266295) and add it to both sides.

Add '414.9266295' to each side of the equation.
40.7394958x + 414.9266295 + x2 = 2036.97479 + 414.9266295

Reorder the terms:
414.9266295 + 40.7394958x + x2 = 2036.97479 + 414.9266295

Combine like terms: 2036.97479 + 414.9266295 = 2451.9014195
414.9266295 + 40.7394958x + x2 = 2451.9014195

Factor a perfect square on the left side:
(x + 20.3697479)(x + 20.3697479) = 2451.9014195

Calculate the square root of the right side: 49.516678195

Break this problem into two subproblems by setting 
(x + 20.3697479) equal to 49.516678195 and -49.516678195.

Subproblem 1

x + 20.3697479 = 49.516678195 Simplifying x + 20.3697479 = 49.516678195 Reorder the terms: 20.3697479 + x = 49.516678195 Solving 20.3697479 + x = 49.516678195 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20.3697479' to each side of the equation. 20.3697479 + -20.3697479 + x = 49.516678195 + -20.3697479 Combine like terms: 20.3697479 + -20.3697479 = 0.0000000 0.0000000 + x = 49.516678195 + -20.3697479 x = 49.516678195 + -20.3697479 Combine like terms: 49.516678195 + -20.3697479 = 29.146930295 x = 29.146930295 Simplifying x = 29.146930295

Subproblem 2

x + 20.3697479 = -49.516678195 Simplifying x + 20.3697479 = -49.516678195 Reorder the terms: 20.3697479 + x = -49.516678195 Solving 20.3697479 + x = -49.516678195 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-20.3697479' to each side of the equation. 20.3697479 + -20.3697479 + x = -49.516678195 + -20.3697479 Combine like terms: 20.3697479 + -20.3697479 = 0.0000000 0.0000000 + x = -49.516678195 + -20.3697479 x = -49.516678195 + -20.3697479 Combine like terms: -49.516678195 + -20.3697479 = -69.886426095 x = -69.886426095 Simplifying x = -69.886426095

Solution

The solution to the problem is based on the solutions from the subproblems. x = {29.146930295, -69.886426095}

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