0=-3x^3+24x^2+27x

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Solution for 0=-3x^3+24x^2+27x equation:


Simplifying
0 = -3x3 + 24x2 + 27x

Reorder the terms:
0 = 27x + 24x2 + -3x3

Solving
0 = 27x + 24x2 + -3x3

Solving for variable 'x'.
Remove the zero:
-27x + -24x2 + 3x3 = 27x + 24x2 + -3x3 + -27x + -24x2 + 3x3

Reorder the terms:
-27x + -24x2 + 3x3 = 27x + -27x + 24x2 + -24x2 + -3x3 + 3x3

Combine like terms: 27x + -27x = 0
-27x + -24x2 + 3x3 = 0 + 24x2 + -24x2 + -3x3 + 3x3
-27x + -24x2 + 3x3 = 24x2 + -24x2 + -3x3 + 3x3

Combine like terms: 24x2 + -24x2 = 0
-27x + -24x2 + 3x3 = 0 + -3x3 + 3x3
-27x + -24x2 + 3x3 = -3x3 + 3x3

Combine like terms: -3x3 + 3x3 = 0
-27x + -24x2 + 3x3 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-9 + -8x + x2) = 0

Factor a trinomial.
3x((-1 + -1x)(9 + -1x)) = 0

Ignore the factor 3.

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 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 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 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

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, -1, 9}

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