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Simplifying (4x3) + -1(3x2) + -16x = 0 Remove parenthesis around (3x2) (4x3) + -1 * 3x2 + -16x = 0 Multiply -1 * 3 (4x3) + -3x2 + -16x = 0 Reorder the terms: -16x + -3x2 + (4x3) = 0 Solving -16x + -3x2 + (4x3) = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(-16 + -3x + (4x2)) = 0Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(-16 + -3x + (4x2))' equal to zero and attempt to solve: Simplifying -16 + -3x + (4x2) = 0 Solving -16 + -3x + (4x2) = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -4 + -0.75x + x2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + -0.75x + 4 + x2 = 0 + 4 Reorder the terms: -4 + 4 + -0.75x + x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -0.75x + x2 = 0 + 4 -0.75x + x2 = 0 + 4 Combine like terms: 0 + 4 = 4 -0.75x + x2 = 4 The x term is -0.75x. Take half its coefficient (-0.375). Square it (0.140625) and add it to both sides. Add '0.140625' to each side of the equation. -0.75x + 0.140625 + x2 = 4 + 0.140625 Reorder the terms: 0.140625 + -0.75x + x2 = 4 + 0.140625 Combine like terms: 4 + 0.140625 = 4.140625 0.140625 + -0.75x + x2 = 4.140625 Factor a perfect square on the left side: ((x) + -0.375)((x) + -0.375) = 4.140625 Calculate the square root of the right side: 2.034852575 Break this problem into two subproblems by setting ((x) + -0.375) equal to 2.034852575 and -2.034852575.Subproblem 1
(x) + -0.375 = 2.034852575 Simplifying (x) + -0.375 = 2.034852575 x + -0.375 = 2.034852575 Reorder the terms: -0.375 + x = 2.034852575 Solving -0.375 + x = 2.034852575 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + x = 2.034852575 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + x = 2.034852575 + 0.375 x = 2.034852575 + 0.375 Combine like terms: 2.034852575 + 0.375 = 2.409852575 x = 2.409852575 Simplifying x = 2.409852575Subproblem 2
(x) + -0.375 = -2.034852575 Simplifying (x) + -0.375 = -2.034852575 x + -0.375 = -2.034852575 Reorder the terms: -0.375 + x = -2.034852575 Solving -0.375 + x = -2.034852575 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.375' to each side of the equation. -0.375 + 0.375 + x = -2.034852575 + 0.375 Combine like terms: -0.375 + 0.375 = 0.000 0.000 + x = -2.034852575 + 0.375 x = -2.034852575 + 0.375 Combine like terms: -2.034852575 + 0.375 = -1.659852575 x = -1.659852575 Simplifying x = -1.659852575Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.409852575, -1.659852575}Solution
x = {0, 2.409852575, -1.659852575}
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