3z^3+6z^2=72z

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Solution for 3z^3+6z^2=72z equation:


Simplifying
3z3 + 6z2 = 72z

Reorder the terms:
6z2 + 3z3 = 72z

Solving
6z2 + 3z3 = 72z

Solving for variable 'z'.

Reorder the terms:
-72z + 6z2 + 3z3 = 72z + -72z

Combine like terms: 72z + -72z = 0
-72z + 6z2 + 3z3 = 0

Factor out the Greatest Common Factor (GCF), '3z'.
3z(-24 + 2z + z2) = 0

Factor a trinomial.
3z((-6 + -1z)(4 + -1z)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor 'z' equal to zero and attempt to solve: Simplifying z = 0 Solving z = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z = 0

Subproblem 2

Set the factor '(-6 + -1z)' equal to zero and attempt to solve: Simplifying -6 + -1z = 0 Solving -6 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + -1z = 0 + 6 Combine like terms: -6 + 6 = 0 0 + -1z = 0 + 6 -1z = 0 + 6 Combine like terms: 0 + 6 = 6 -1z = 6 Divide each side by '-1'. z = -6 Simplifying z = -6

Subproblem 3

Set the factor '(4 + -1z)' equal to zero and attempt to solve: Simplifying 4 + -1z = 0 Solving 4 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1z = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1z = 0 + -4 -1z = 0 + -4 Combine like terms: 0 + -4 = -4 -1z = -4 Divide each side by '-1'. z = 4 Simplifying z = 4

Solution

z = {0, -6, 4}

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