-2z^2=-8z

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Solution for -2z^2=-8z equation:


Simplifying
-2z2 = -8z

Solving
-2z2 = -8z

Solving for variable 'z'.

Reorder the terms:
8z + -2z2 = -8z + 8z

Combine like terms: -8z + 8z = 0
8z + -2z2 = 0

Factor out the Greatest Common Factor (GCF), '2z'.
2z(4 + -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 '(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, 4}

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