8x^3=280x^2+288x

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Solution for 8x^3=280x^2+288x equation:


Simplifying
8x3 = 280x2 + 288x

Reorder the terms:
8x3 = 288x + 280x2

Solving
8x3 = 288x + 280x2

Solving for variable 'x'.

Reorder the terms:
-288x + -280x2 + 8x3 = 288x + 280x2 + -288x + -280x2

Reorder the terms:
-288x + -280x2 + 8x3 = 288x + -288x + 280x2 + -280x2

Combine like terms: 288x + -288x = 0
-288x + -280x2 + 8x3 = 0 + 280x2 + -280x2
-288x + -280x2 + 8x3 = 280x2 + -280x2

Combine like terms: 280x2 + -280x2 = 0
-288x + -280x2 + 8x3 = 0

Factor out the Greatest Common Factor (GCF), '8x'.
8x(-36 + -35x + x2) = 0

Factor a trinomial.
8x((-1 + -1x)(36 + -1x)) = 0

Ignore the factor 8.

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 '(36 + -1x)' equal to zero and attempt to solve: Simplifying 36 + -1x = 0 Solving 36 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + -1x = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -1x = 0 + -36 -1x = 0 + -36 Combine like terms: 0 + -36 = -36 -1x = -36 Divide each side by '-1'. x = 36 Simplifying x = 36

Solution

x = {0, -1, 36}

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