-2x^3+30x^2=100x

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Solution for -2x^3+30x^2=100x equation:


Simplifying
-2x3 + 30x2 = 100x

Reorder the terms:
30x2 + -2x3 = 100x

Solving
30x2 + -2x3 = 100x

Solving for variable 'x'.

Reorder the terms:
-100x + 30x2 + -2x3 = 100x + -100x

Combine like terms: 100x + -100x = 0
-100x + 30x2 + -2x3 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(-50 + 15x + -1x2) = 0

Factor a trinomial.
2x((-10 + x)(5 + -1x)) = 0

Ignore the factor 2.

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 '(-10 + x)' equal to zero and attempt to solve: Simplifying -10 + x = 0 Solving -10 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 0 + 10 Combine like terms: -10 + 10 = 0 0 + x = 0 + 10 x = 0 + 10 Combine like terms: 0 + 10 = 10 x = 10 Simplifying x = 10

Subproblem 3

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {0, 10, 5}

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