9x^3-15x^2+7x=0

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Solution for 9x^3-15x^2+7x=0 equation:


Simplifying
9x3 + -15x2 + 7x = 0

Reorder the terms:
7x + -15x2 + 9x3 = 0

Solving
7x + -15x2 + 9x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(7 + -15x + 9x2) = 0

Subproblem 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 = 0

Subproblem 2

Set the factor '(7 + -15x + 9x2)' equal to zero and attempt to solve: Simplifying 7 + -15x + 9x2 = 0 Solving 7 + -15x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. 0.7777777778 + -1.666666667x + x2 = 0 Move the constant term to the right: Add '-0.7777777778' to each side of the equation. 0.7777777778 + -1.666666667x + -0.7777777778 + x2 = 0 + -0.7777777778 Reorder the terms: 0.7777777778 + -0.7777777778 + -1.666666667x + x2 = 0 + -0.7777777778 Combine like terms: 0.7777777778 + -0.7777777778 = 0.0000000000 0.0000000000 + -1.666666667x + x2 = 0 + -0.7777777778 -1.666666667x + x2 = 0 + -0.7777777778 Combine like terms: 0 + -0.7777777778 = -0.7777777778 -1.666666667x + x2 = -0.7777777778 The x term is -1.666666667x. Take half its coefficient (-0.8333333335). Square it (0.6944444447) and add it to both sides. Add '0.6944444447' to each side of the equation. -1.666666667x + 0.6944444447 + x2 = -0.7777777778 + 0.6944444447 Reorder the terms: 0.6944444447 + -1.666666667x + x2 = -0.7777777778 + 0.6944444447 Combine like terms: -0.7777777778 + 0.6944444447 = -0.0833333331 0.6944444447 + -1.666666667x + x2 = -0.0833333331 Factor a perfect square on the left side: (x + -0.8333333335)(x + -0.8333333335) = -0.0833333331 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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