12x^2+7x-60=

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Solution for 12x^2+7x-60= equation:


Simplifying
12x2 + 7x + -60 = 0

Reorder the terms:
-60 + 7x + 12x2 = 0

Solving
-60 + 7x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
-5 + 0.5833333333x + x2 = 0

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + 0.5833333333x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + 0.5833333333x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + 0.5833333333x + x2 = 0 + 5
0.5833333333x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
0.5833333333x + x2 = 5

The x term is 0.5833333333x.  Take half its coefficient (0.2916666667).
Square it (0.08506944446) and add it to both sides.

Add '0.08506944446' to each side of the equation.
0.5833333333x + 0.08506944446 + x2 = 5 + 0.08506944446

Reorder the terms:
0.08506944446 + 0.5833333333x + x2 = 5 + 0.08506944446

Combine like terms: 5 + 0.08506944446 = 5.08506944446
0.08506944446 + 0.5833333333x + x2 = 5.08506944446

Factor a perfect square on the left side:
(x + 0.2916666667)(x + 0.2916666667) = 5.08506944446

Calculate the square root of the right side: 2.255009855

Break this problem into two subproblems by setting 
(x + 0.2916666667) equal to 2.255009855 and -2.255009855.

Subproblem 1

x + 0.2916666667 = 2.255009855 Simplifying x + 0.2916666667 = 2.255009855 Reorder the terms: 0.2916666667 + x = 2.255009855 Solving 0.2916666667 + x = 2.255009855 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2916666667' to each side of the equation. 0.2916666667 + -0.2916666667 + x = 2.255009855 + -0.2916666667 Combine like terms: 0.2916666667 + -0.2916666667 = 0.0000000000 0.0000000000 + x = 2.255009855 + -0.2916666667 x = 2.255009855 + -0.2916666667 Combine like terms: 2.255009855 + -0.2916666667 = 1.9633431883 x = 1.9633431883 Simplifying x = 1.9633431883

Subproblem 2

x + 0.2916666667 = -2.255009855 Simplifying x + 0.2916666667 = -2.255009855 Reorder the terms: 0.2916666667 + x = -2.255009855 Solving 0.2916666667 + x = -2.255009855 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2916666667' to each side of the equation. 0.2916666667 + -0.2916666667 + x = -2.255009855 + -0.2916666667 Combine like terms: 0.2916666667 + -0.2916666667 = 0.0000000000 0.0000000000 + x = -2.255009855 + -0.2916666667 x = -2.255009855 + -0.2916666667 Combine like terms: -2.255009855 + -0.2916666667 = -2.5466765217 x = -2.5466765217 Simplifying x = -2.5466765217

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.9633431883, -2.5466765217}

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