z(z-6)-2=-10

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Solution for z(z-6)-2=-10 equation:


Simplifying
z(z + -6) + -2 = -10

Reorder the terms:
z(-6 + z) + -2 = -10
(-6 * z + z * z) + -2 = -10
(-6z + z2) + -2 = -10

Reorder the terms:
-2 + -6z + z2 = -10

Solving
-2 + -6z + z2 = -10

Solving for variable 'z'.

Reorder the terms:
-2 + 10 + -6z + z2 = -10 + 10

Combine like terms: -2 + 10 = 8
8 + -6z + z2 = -10 + 10

Combine like terms: -10 + 10 = 0
8 + -6z + z2 = 0

Factor a trinomial.
(2 + -1z)(4 + -1z) = 0

Subproblem 1

Set the factor '(2 + -1z)' equal to zero and attempt to solve: Simplifying 2 + -1z = 0 Solving 2 + -1z = 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 + -1z = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1z = 0 + -2 -1z = 0 + -2 Combine like terms: 0 + -2 = -2 -1z = -2 Divide each side by '-1'. z = 2 Simplifying z = 2

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 = {2, 4}

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