-3x(4-2x)=-4

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Solution for -3x(4-2x)=-4 equation:


Simplifying
-3x(4 + -2x) = -4
(4 * -3x + -2x * -3x) = -4
(-12x + 6x2) = -4

Solving
-12x + 6x2 = -4

Solving for variable 'x'.

Reorder the terms:
4 + -12x + 6x2 = -4 + 4

Combine like terms: -4 + 4 = 0
4 + -12x + 6x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(2 + -6x + 3x2) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(2 + -6x + 3x2)' equal to zero and attempt to solve: Simplifying 2 + -6x + 3x2 = 0 Solving 2 + -6x + 3x2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 0.6666666667 + -2x + x2 = 0 Move the constant term to the right: Add '-0.6666666667' to each side of the equation. 0.6666666667 + -2x + -0.6666666667 + x2 = 0 + -0.6666666667 Reorder the terms: 0.6666666667 + -0.6666666667 + -2x + x2 = 0 + -0.6666666667 Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000 0.0000000000 + -2x + x2 = 0 + -0.6666666667 -2x + x2 = 0 + -0.6666666667 Combine like terms: 0 + -0.6666666667 = -0.6666666667 -2x + x2 = -0.6666666667 The x term is -2x. Take half its coefficient (-1). Square it (1) and add it to both sides. Add '1' to each side of the equation. -2x + 1 + x2 = -0.6666666667 + 1 Reorder the terms: 1 + -2x + x2 = -0.6666666667 + 1 Combine like terms: -0.6666666667 + 1 = 0.3333333333 1 + -2x + x2 = 0.3333333333 Factor a perfect square on the left side: (x + -1)(x + -1) = 0.3333333333 Calculate the square root of the right side: 0.577350269 Break this problem into two subproblems by setting (x + -1) equal to 0.577350269 and -0.577350269.

Subproblem 1

x + -1 = 0.577350269 Simplifying x + -1 = 0.577350269 Reorder the terms: -1 + x = 0.577350269 Solving -1 + x = 0.577350269 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 0.577350269 + 1 Combine like terms: -1 + 1 = 0 0 + x = 0.577350269 + 1 x = 0.577350269 + 1 Combine like terms: 0.577350269 + 1 = 1.577350269 x = 1.577350269 Simplifying x = 1.577350269

Subproblem 2

x + -1 = -0.577350269 Simplifying x + -1 = -0.577350269 Reorder the terms: -1 + x = -0.577350269 Solving -1 + x = -0.577350269 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -0.577350269 + 1 Combine like terms: -1 + 1 = 0 0 + x = -0.577350269 + 1 x = -0.577350269 + 1 Combine like terms: -0.577350269 + 1 = 0.422649731 x = 0.422649731 Simplifying x = 0.422649731

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.577350269, 0.422649731}

Solution

x = {1.577350269, 0.422649731}

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