-3(-4-2z)7z=

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Solution for -3(-4-2z)7z= equation:


Simplifying
-3(-4 + -2z) * 7z = 0

Reorder the terms for easier multiplication:
-3 * 7z(-4 + -2z) = 0

Multiply -3 * 7
-21z(-4 + -2z) = 0
(-4 * -21z + -2z * -21z) = 0
(84z + 42z2) = 0

Solving
84z + 42z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '42z'.
42z(2 + z) = 0

Ignore the factor 42.

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 '(2 + z)' equal to zero and attempt to solve: Simplifying 2 + z = 0 Solving 2 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + z = 0 + -2 z = 0 + -2 Combine like terms: 0 + -2 = -2 z = -2 Simplifying z = -2

Solution

z = {0, -2}

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