5=z^3+3z^2-54z+5

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Solution for 5=z^3+3z^2-54z+5 equation:


Simplifying
5 = z3 + 3z2 + -54z + 5

Reorder the terms:
5 = 5 + -54z + 3z2 + z3

Add '-5' to each side of the equation.
5 + -5 = 5 + -54z + 3z2 + -5 + z3

Combine like terms: 5 + -5 = 0
0 = 5 + -54z + 3z2 + -5 + z3

Reorder the terms:
0 = 5 + -5 + -54z + 3z2 + z3

Combine like terms: 5 + -5 = 0
0 = 0 + -54z + 3z2 + z3
0 = -54z + 3z2 + z3

Solving
0 = -54z + 3z2 + z3

Solving for variable 'z'.
Remove the zero:
54z + -3z2 + -1z3 = -54z + 3z2 + z3 + 54z + -3z2 + -1z3

Reorder the terms:
54z + -3z2 + -1z3 = -54z + 54z + 3z2 + -3z2 + z3 + -1z3

Combine like terms: -54z + 54z = 0
54z + -3z2 + -1z3 = 0 + 3z2 + -3z2 + z3 + -1z3
54z + -3z2 + -1z3 = 3z2 + -3z2 + z3 + -1z3

Combine like terms: 3z2 + -3z2 = 0
54z + -3z2 + -1z3 = 0 + z3 + -1z3
54z + -3z2 + -1z3 = z3 + -1z3

Combine like terms: z3 + -1z3 = 0
54z + -3z2 + -1z3 = 0

Factor out the Greatest Common Factor (GCF), 'z'.
z(54 + -3z + -1z2) = 0

Factor a trinomial.
z((6 + -1z)(9 + z)) = 0

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 '(9 + z)' equal to zero and attempt to solve: Simplifying 9 + z = 0 Solving 9 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + z = 0 + -9 Combine like terms: 9 + -9 = 0 0 + z = 0 + -9 z = 0 + -9 Combine like terms: 0 + -9 = -9 z = -9 Simplifying z = -9

Solution

z = {0, 6, -9}

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