9x^3+25x=30x^2

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Solution for 9x^3+25x=30x^2 equation:


Simplifying
9x3 + 25x = 30x2

Reorder the terms:
25x + 9x3 = 30x2

Solving
25x + 9x3 = 30x2

Solving for variable 'x'.

Reorder the terms:
25x + -30x2 + 9x3 = 30x2 + -30x2

Combine like terms: 30x2 + -30x2 = 0
25x + -30x2 + 9x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(25 + -30x + 9x2) = 0

Factor a trinomial.
x((5 + -3x)(5 + -3x)) = 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 '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Subproblem 3

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {0, 1.666666667, 1.666666667}

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