2x^3-17x^2=9x

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Solution for 2x^3-17x^2=9x equation:


Simplifying
2x3 + -17x2 = 9x

Reorder the terms:
-17x2 + 2x3 = 9x

Solving
-17x2 + 2x3 = 9x

Solving for variable 'x'.

Reorder the terms:
-9x + -17x2 + 2x3 = 9x + -9x

Combine like terms: 9x + -9x = 0
-9x + -17x2 + 2x3 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-9 + -17x + 2x2) = 0

Factor a trinomial.
x((-1 + -2x)(9 + -1x)) = 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 '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

Subproblem 3

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {0, -0.5, 9}

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