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Simplifying (4 + -1x) * 3x = -16 Reorder the terms for easier multiplication: 3x(4 + -1x) = -16 (4 * 3x + -1x * 3x) = -16 (12x + -3x2) = -16 Solving 12x + -3x2 = -16 Solving for variable 'x'. Reorder the terms: 16 + 12x + -3x2 = -16 + 16 Combine like terms: -16 + 16 = 0 16 + 12x + -3x2 = 0 Begin completing the square. Divide all terms by -3 the coefficient of the squared term: Divide each side by '-3'. -5.333333333 + -4x + x2 = 0 Move the constant term to the right: Add '5.333333333' to each side of the equation. -5.333333333 + -4x + 5.333333333 + x2 = 0 + 5.333333333 Reorder the terms: -5.333333333 + 5.333333333 + -4x + x2 = 0 + 5.333333333 Combine like terms: -5.333333333 + 5.333333333 = 0.000000000 0.000000000 + -4x + x2 = 0 + 5.333333333 -4x + x2 = 0 + 5.333333333 Combine like terms: 0 + 5.333333333 = 5.333333333 -4x + x2 = 5.333333333 The x term is -4x. Take half its coefficient (-2). Square it (4) and add it to both sides. Add '4' to each side of the equation. -4x + 4 + x2 = 5.333333333 + 4 Reorder the terms: 4 + -4x + x2 = 5.333333333 + 4 Combine like terms: 5.333333333 + 4 = 9.333333333 4 + -4x + x2 = 9.333333333 Factor a perfect square on the left side: (x + -2)(x + -2) = 9.333333333 Calculate the square root of the right side: 3.055050463 Break this problem into two subproblems by setting (x + -2) equal to 3.055050463 and -3.055050463.Subproblem 1
x + -2 = 3.055050463 Simplifying x + -2 = 3.055050463 Reorder the terms: -2 + x = 3.055050463 Solving -2 + x = 3.055050463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 3.055050463 + 2 Combine like terms: -2 + 2 = 0 0 + x = 3.055050463 + 2 x = 3.055050463 + 2 Combine like terms: 3.055050463 + 2 = 5.055050463 x = 5.055050463 Simplifying x = 5.055050463Subproblem 2
x + -2 = -3.055050463 Simplifying x + -2 = -3.055050463 Reorder the terms: -2 + x = -3.055050463 Solving -2 + x = -3.055050463 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -3.055050463 + 2 Combine like terms: -2 + 2 = 0 0 + x = -3.055050463 + 2 x = -3.055050463 + 2 Combine like terms: -3.055050463 + 2 = -1.055050463 x = -1.055050463 Simplifying x = -1.055050463Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.055050463, -1.055050463}
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