4x(12-x)=-4

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Solution for 4x(12-x)=-4 equation:


Simplifying
4x(12 + -1x) = -4
(12 * 4x + -1x * 4x) = -4
(48x + -4x2) = -4

Solving
48x + -4x2 = -4

Solving for variable 'x'.

Reorder the terms:
4 + 48x + -4x2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + 48x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(1 + 12x + -1x2) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(1 + 12x + -1x2)' equal to zero and attempt to solve: Simplifying 1 + 12x + -1x2 = 0 Solving 1 + 12x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -1 + -12x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + -12x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + -12x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -12x + x2 = 0 + 1 -12x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 -12x + x2 = 1 The x term is -12x. Take half its coefficient (-6). Square it (36) and add it to both sides. Add '36' to each side of the equation. -12x + 36 + x2 = 1 + 36 Reorder the terms: 36 + -12x + x2 = 1 + 36 Combine like terms: 1 + 36 = 37 36 + -12x + x2 = 37 Factor a perfect square on the left side: (x + -6)(x + -6) = 37 Calculate the square root of the right side: 6.08276253 Break this problem into two subproblems by setting (x + -6) equal to 6.08276253 and -6.08276253.

Subproblem 1

x + -6 = 6.08276253 Simplifying x + -6 = 6.08276253 Reorder the terms: -6 + x = 6.08276253 Solving -6 + x = 6.08276253 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 6.08276253 + 6 Combine like terms: -6 + 6 = 0 0 + x = 6.08276253 + 6 x = 6.08276253 + 6 Combine like terms: 6.08276253 + 6 = 12.08276253 x = 12.08276253 Simplifying x = 12.08276253

Subproblem 2

x + -6 = -6.08276253 Simplifying x + -6 = -6.08276253 Reorder the terms: -6 + x = -6.08276253 Solving -6 + x = -6.08276253 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -6.08276253 + 6 Combine like terms: -6 + 6 = 0 0 + x = -6.08276253 + 6 x = -6.08276253 + 6 Combine like terms: -6.08276253 + 6 = -0.08276253 x = -0.08276253 Simplifying x = -0.08276253

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.08276253, -0.08276253}

Solution

x = {12.08276253, -0.08276253}

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