12(5x^2-32)=3x-7

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Solution for 12(5x^2-32)=3x-7 equation:


Simplifying
12(5x2 + -32) = 3x + -7

Reorder the terms:
12(-32 + 5x2) = 3x + -7
(-32 * 12 + 5x2 * 12) = 3x + -7
(-384 + 60x2) = 3x + -7

Reorder the terms:
-384 + 60x2 = -7 + 3x

Solving
-384 + 60x2 = -7 + 3x

Solving for variable 'x'.

Reorder the terms:
-384 + 7 + -3x + 60x2 = -7 + 3x + 7 + -3x

Combine like terms: -384 + 7 = -377
-377 + -3x + 60x2 = -7 + 3x + 7 + -3x

Reorder the terms:
-377 + -3x + 60x2 = -7 + 7 + 3x + -3x

Combine like terms: -7 + 7 = 0
-377 + -3x + 60x2 = 0 + 3x + -3x
-377 + -3x + 60x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
-377 + -3x + 60x2 = 0

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

Divide each side by '60'.
-6.283333333 + -0.05x + x2 = 0.0

Move the constant term to the right:

Add '6.283333333' to each side of the equation.
-6.283333333 + -0.05x + 6.283333333 + x2 = 0.0 + 6.283333333

Reorder the terms:
-6.283333333 + 6.283333333 + -0.05x + x2 = 0.0 + 6.283333333

Combine like terms: -6.283333333 + 6.283333333 = 0.000000000
0.000000000 + -0.05x + x2 = 0.0 + 6.283333333
-0.05x + x2 = 0.0 + 6.283333333

Combine like terms: 0.0 + 6.283333333 = 6.283333333
-0.05x + x2 = 6.283333333

The x term is -0.05x.  Take half its coefficient (-0.025).
Square it (0.000625) and add it to both sides.

Add '0.000625' to each side of the equation.
-0.05x + 0.000625 + x2 = 6.283333333 + 0.000625

Reorder the terms:
0.000625 + -0.05x + x2 = 6.283333333 + 0.000625

Combine like terms: 6.283333333 + 0.000625 = 6.283958333
0.000625 + -0.05x + x2 = 6.283958333

Factor a perfect square on the left side:
(x + -0.025)(x + -0.025) = 6.283958333

Calculate the square root of the right side: 2.506782466

Break this problem into two subproblems by setting 
(x + -0.025) equal to 2.506782466 and -2.506782466.

Subproblem 1

x + -0.025 = 2.506782466 Simplifying x + -0.025 = 2.506782466 Reorder the terms: -0.025 + x = 2.506782466 Solving -0.025 + x = 2.506782466 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.025' to each side of the equation. -0.025 + 0.025 + x = 2.506782466 + 0.025 Combine like terms: -0.025 + 0.025 = 0.000 0.000 + x = 2.506782466 + 0.025 x = 2.506782466 + 0.025 Combine like terms: 2.506782466 + 0.025 = 2.531782466 x = 2.531782466 Simplifying x = 2.531782466

Subproblem 2

x + -0.025 = -2.506782466 Simplifying x + -0.025 = -2.506782466 Reorder the terms: -0.025 + x = -2.506782466 Solving -0.025 + x = -2.506782466 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.025' to each side of the equation. -0.025 + 0.025 + x = -2.506782466 + 0.025 Combine like terms: -0.025 + 0.025 = 0.000 0.000 + x = -2.506782466 + 0.025 x = -2.506782466 + 0.025 Combine like terms: -2.506782466 + 0.025 = -2.481782466 x = -2.481782466 Simplifying x = -2.481782466

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.531782466, -2.481782466}

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