49x^2+168x-60=0

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Solution for 49x^2+168x-60=0 equation:


Simplifying
49x2 + 168x + -60 = 0

Reorder the terms:
-60 + 168x + 49x2 = 0

Solving
-60 + 168x + 49x2 = 0

Solving for variable 'x'.

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

Divide each side by '49'.
-1.224489796 + 3.428571429x + x2 = 0

Move the constant term to the right:

Add '1.224489796' to each side of the equation.
-1.224489796 + 3.428571429x + 1.224489796 + x2 = 0 + 1.224489796

Reorder the terms:
-1.224489796 + 1.224489796 + 3.428571429x + x2 = 0 + 1.224489796

Combine like terms: -1.224489796 + 1.224489796 = 0.000000000
0.000000000 + 3.428571429x + x2 = 0 + 1.224489796
3.428571429x + x2 = 0 + 1.224489796

Combine like terms: 0 + 1.224489796 = 1.224489796
3.428571429x + x2 = 1.224489796

The x term is 3.428571429x.  Take half its coefficient (1.714285715).
Square it (2.938775513) and add it to both sides.

Add '2.938775513' to each side of the equation.
3.428571429x + 2.938775513 + x2 = 1.224489796 + 2.938775513

Reorder the terms:
2.938775513 + 3.428571429x + x2 = 1.224489796 + 2.938775513

Combine like terms: 1.224489796 + 2.938775513 = 4.163265309
2.938775513 + 3.428571429x + x2 = 4.163265309

Factor a perfect square on the left side:
(x + 1.714285715)(x + 1.714285715) = 4.163265309

Calculate the square root of the right side: 2.040408123

Break this problem into two subproblems by setting 
(x + 1.714285715) equal to 2.040408123 and -2.040408123.

Subproblem 1

x + 1.714285715 = 2.040408123 Simplifying x + 1.714285715 = 2.040408123 Reorder the terms: 1.714285715 + x = 2.040408123 Solving 1.714285715 + x = 2.040408123 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.714285715' to each side of the equation. 1.714285715 + -1.714285715 + x = 2.040408123 + -1.714285715 Combine like terms: 1.714285715 + -1.714285715 = 0.000000000 0.000000000 + x = 2.040408123 + -1.714285715 x = 2.040408123 + -1.714285715 Combine like terms: 2.040408123 + -1.714285715 = 0.326122408 x = 0.326122408 Simplifying x = 0.326122408

Subproblem 2

x + 1.714285715 = -2.040408123 Simplifying x + 1.714285715 = -2.040408123 Reorder the terms: 1.714285715 + x = -2.040408123 Solving 1.714285715 + x = -2.040408123 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.714285715' to each side of the equation. 1.714285715 + -1.714285715 + x = -2.040408123 + -1.714285715 Combine like terms: 1.714285715 + -1.714285715 = 0.000000000 0.000000000 + x = -2.040408123 + -1.714285715 x = -2.040408123 + -1.714285715 Combine like terms: -2.040408123 + -1.714285715 = -3.754693838 x = -3.754693838 Simplifying x = -3.754693838

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.326122408, -3.754693838}

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