-[3z^2+7z-(2z^2-4z)]=

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Solution for -[3z^2+7z-(2z^2-4z)]= equation:


Simplifying
-1[3z2 + 7z + -1(2z2 + -4z)] = 0

Reorder the terms:
-1[3z2 + 7z + -1(-4z + 2z2)] = 0
-1[3z2 + 7z + (-4z * -1 + 2z2 * -1)] = 0
-1[3z2 + 7z + (4z + -2z2)] = 0

Reorder the terms:
-1[7z + 4z + 3z2 + -2z2] = 0

Combine like terms: 7z + 4z = 11z
-1[11z + 3z2 + -2z2] = 0

Combine like terms: 3z2 + -2z2 = 1z2
-1[11z + 1z2] = 0
[11z * -1 + 1z2 * -1] = 0
[-11z + -1z2] = 0

Solving
-11z + -1z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '-1z'.
-1z(11 + z) = 0

Ignore the factor -1.

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 '(11 + z)' equal to zero and attempt to solve: Simplifying 11 + z = 0 Solving 11 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-11' to each side of the equation. 11 + -11 + z = 0 + -11 Combine like terms: 11 + -11 = 0 0 + z = 0 + -11 z = 0 + -11 Combine like terms: 0 + -11 = -11 z = -11 Simplifying z = -11

Solution

z = {0, -11}

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