2z(z-3)(z-9)=0

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Solution for 2z(z-3)(z-9)=0 equation:


Simplifying
2z(z + -3)(z + -9) = 0

Reorder the terms:
2z(-3 + z)(z + -9) = 0

Reorder the terms:
2z(-3 + z)(-9 + z) = 0

Multiply (-3 + z) * (-9 + z)
2z(-3(-9 + z) + z(-9 + z)) = 0
2z((-9 * -3 + z * -3) + z(-9 + z)) = 0
2z((27 + -3z) + z(-9 + z)) = 0
2z(27 + -3z + (-9 * z + z * z)) = 0
2z(27 + -3z + (-9z + z2)) = 0

Combine like terms: -3z + -9z = -12z
2z(27 + -12z + z2) = 0
(27 * 2z + -12z * 2z + z2 * 2z) = 0
(54z + -24z2 + 2z3) = 0

Solving
54z + -24z2 + 2z3 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '2z'.
2z(27 + -12z + z2) = 0

Factor a trinomial.
2z((3 + -1z)(9 + -1z)) = 0

Ignore the factor 2.

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

Subproblem 3

Set the factor '(9 + -1z)' equal to zero and attempt to solve: Simplifying 9 + -1z = 0 Solving 9 + -1z = 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 + -1z = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1z = 0 + -9 -1z = 0 + -9 Combine like terms: 0 + -9 = -9 -1z = -9 Divide each side by '-1'. z = 9 Simplifying z = 9

Solution

z = {0, 3, 9}

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