(8-z)(4z+6)=0

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Solution for (8-z)(4z+6)=0 equation:


Simplifying
(8 + -1z)(4z + 6) = 0

Reorder the terms:
(8 + -1z)(6 + 4z) = 0

Multiply (8 + -1z) * (6 + 4z)
(8(6 + 4z) + -1z * (6 + 4z)) = 0
((6 * 8 + 4z * 8) + -1z * (6 + 4z)) = 0
((48 + 32z) + -1z * (6 + 4z)) = 0
(48 + 32z + (6 * -1z + 4z * -1z)) = 0
(48 + 32z + (-6z + -4z2)) = 0

Combine like terms: 32z + -6z = 26z
(48 + 26z + -4z2) = 0

Solving
48 + 26z + -4z2 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), '2'.
2(24 + 13z + -2z2) = 0

Factor a trinomial.
2((8 + -1z)(3 + 2z)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(8 + -1z)' equal to zero and attempt to solve: Simplifying 8 + -1z = 0 Solving 8 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -1z = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -1z = 0 + -8 -1z = 0 + -8 Combine like terms: 0 + -8 = -8 -1z = -8 Divide each side by '-1'. z = 8 Simplifying z = 8

Subproblem 2

Set the factor '(3 + 2z)' equal to zero and attempt to solve: Simplifying 3 + 2z = 0 Solving 3 + 2z = 0 Move all terms containing z to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 2z = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 2z = 0 + -3 2z = 0 + -3 Combine like terms: 0 + -3 = -3 2z = -3 Divide each side by '2'. z = -1.5 Simplifying z = -1.5

Solution

z = {8, -1.5}

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