(3+z)(3z-8)=0

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Solution for (3+z)(3z-8)=0 equation:


Simplifying
(3 + z)(3z + -8) = 0

Reorder the terms:
(3 + z)(-8 + 3z) = 0

Multiply (3 + z) * (-8 + 3z)
(3(-8 + 3z) + z(-8 + 3z)) = 0
((-8 * 3 + 3z * 3) + z(-8 + 3z)) = 0
((-24 + 9z) + z(-8 + 3z)) = 0
(-24 + 9z + (-8 * z + 3z * z)) = 0
(-24 + 9z + (-8z + 3z2)) = 0

Combine like terms: 9z + -8z = 1z
(-24 + 1z + 3z2) = 0

Solving
-24 + 1z + 3z2 = 0

Solving for variable 'z'.

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

Subproblem 1

Set the factor '(-3 + -1z)' equal to zero and attempt to solve: Simplifying -3 + -1z = 0 Solving -3 + -1z = 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 + -1z = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1z = 0 + 3 -1z = 0 + 3 Combine like terms: 0 + 3 = 3 -1z = 3 Divide each side by '-1'. z = -3 Simplifying z = -3

Subproblem 2

Set the factor '(8 + -3z)' equal to zero and attempt to solve: Simplifying 8 + -3z = 0 Solving 8 + -3z = 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 + -3z = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -3z = 0 + -8 -3z = 0 + -8 Combine like terms: 0 + -8 = -8 -3z = -8 Divide each side by '-3'. z = 2.666666667 Simplifying z = 2.666666667

Solution

z = {-3, 2.666666667}

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