0=3x^3-24x^2+45x

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Solution for 0=3x^3-24x^2+45x equation:


Simplifying
0 = 3x3 + -24x2 + 45x

Reorder the terms:
0 = 45x + -24x2 + 3x3

Solving
0 = 45x + -24x2 + 3x3

Solving for variable 'x'.
Remove the zero:
-45x + 24x2 + -3x3 = 45x + -24x2 + 3x3 + -45x + 24x2 + -3x3

Reorder the terms:
-45x + 24x2 + -3x3 = 45x + -45x + -24x2 + 24x2 + 3x3 + -3x3

Combine like terms: 45x + -45x = 0
-45x + 24x2 + -3x3 = 0 + -24x2 + 24x2 + 3x3 + -3x3
-45x + 24x2 + -3x3 = -24x2 + 24x2 + 3x3 + -3x3

Combine like terms: -24x2 + 24x2 = 0
-45x + 24x2 + -3x3 = 0 + 3x3 + -3x3
-45x + 24x2 + -3x3 = 3x3 + -3x3

Combine like terms: 3x3 + -3x3 = 0
-45x + 24x2 + -3x3 = 0

Factor out the Greatest Common Factor (GCF), '3x'.
3x(-15 + 8x + -1x2) = 0

Factor a trinomial.
3x((-5 + x)(3 + -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 '(-5 + x)' equal to zero and attempt to solve: Simplifying -5 + x = 0 Solving -5 + x = 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 + x = 0 + 5 Combine like terms: -5 + 5 = 0 0 + x = 0 + 5 x = 0 + 5 Combine like terms: 0 + 5 = 5 x = 5 Simplifying x = 5

Subproblem 3

Set the factor '(3 + -1x)' equal to zero and attempt to solve: Simplifying 3 + -1x = 0 Solving 3 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -1x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -1x = 0 + -3 -1x = 0 + -3 Combine like terms: 0 + -3 = -3 -1x = -3 Divide each side by '-1'. x = 3 Simplifying x = 3

Solution

x = {0, 5, 3}

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