z^2=9z

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Solution for z^2=9z equation:


Simplifying
z2 = 9z

Solving
z2 = 9z

Solving for variable 'z'.

Reorder the terms:
-9z + z2 = 9z + -9z

Combine like terms: 9z + -9z = 0
-9z + z2 = 0

Factor out the Greatest Common Factor (GCF), 'z'.
z(-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 '(-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, 9}

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