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Simplifying 15x3 + 3x2 + 5x = 0 Reorder the terms: 5x + 3x2 + 15x3 = 0 Solving 5x + 3x2 + 15x3 = 0 Solving for variable 'x'. Factor out the Greatest Common Factor (GCF), 'x'. x(5 + 3x + 15x2) = 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 '(5 + 3x + 15x2)' equal to zero and attempt to solve: Simplifying 5 + 3x + 15x2 = 0 Solving 5 + 3x + 15x2 = 0 Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. 0.3333333333 + 0.2x + x2 = 0 Move the constant term to the right: Add '-0.3333333333' to each side of the equation. 0.3333333333 + 0.2x + -0.3333333333 + x2 = 0 + -0.3333333333 Reorder the terms: 0.3333333333 + -0.3333333333 + 0.2x + x2 = 0 + -0.3333333333 Combine like terms: 0.3333333333 + -0.3333333333 = 0.0000000000 0.0000000000 + 0.2x + x2 = 0 + -0.3333333333 0.2x + x2 = 0 + -0.3333333333 Combine like terms: 0 + -0.3333333333 = -0.3333333333 0.2x + x2 = -0.3333333333 The x term is 0.2x. Take half its coefficient (0.1). Square it (0.01) and add it to both sides. Add '0.01' to each side of the equation. 0.2x + 0.01 + x2 = -0.3333333333 + 0.01 Reorder the terms: 0.01 + 0.2x + x2 = -0.3333333333 + 0.01 Combine like terms: -0.3333333333 + 0.01 = -0.3233333333 0.01 + 0.2x + x2 = -0.3233333333 Factor a perfect square on the left side: (x + 0.1)(x + 0.1) = -0.3233333333 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.Solution
x = {0}
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