-60z^5+55z^4+25z^3=0

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Solution for -60z^5+55z^4+25z^3=0 equation:


Simplifying
-60z5 + 55z4 + 25z3 = 0

Reorder the terms:
25z3 + 55z4 + -60z5 = 0

Solving
25z3 + 55z4 + -60z5 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '5z3'.
5z3(5 + 11z + -12z2) = 0

Factor a trinomial.
5z3((5 + -4z)(1 + 3z)) = 0

Ignore the factor 5.

Subproblem 1

Set the factor 'z3' equal to zero and attempt to solve: Simplifying z3 = 0 Solving z3 = 0 Move all terms containing z to the left, all other terms to the right. Simplifying z3 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(5 + -4z)' equal to zero and attempt to solve: Simplifying 5 + -4z = 0 Solving 5 + -4z = 0 Move all terms containing z to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -4z = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -4z = 0 + -5 -4z = 0 + -5 Combine like terms: 0 + -5 = -5 -4z = -5 Divide each side by '-4'. z = 1.25 Simplifying z = 1.25

Subproblem 3

Set the factor '(1 + 3z)' equal to zero and attempt to solve: Simplifying 1 + 3z = 0 Solving 1 + 3z = 0 Move all terms containing z to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 3z = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3z = 0 + -1 3z = 0 + -1 Combine like terms: 0 + -1 = -1 3z = -1 Divide each side by '3'. z = -0.3333333333 Simplifying z = -0.3333333333

Solution

z = {1.25, -0.3333333333}

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