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

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Solution for (9+z)(3z+8)=0 equation:


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

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

Multiply (9 + z) * (8 + 3z)
(9(8 + 3z) + z(8 + 3z)) = 0
((8 * 9 + 3z * 9) + z(8 + 3z)) = 0
((72 + 27z) + z(8 + 3z)) = 0
(72 + 27z + (8 * z + 3z * z)) = 0
(72 + 27z + (8z + 3z2)) = 0

Combine like terms: 27z + 8z = 35z
(72 + 35z + 3z2) = 0

Solving
72 + 35z + 3z2 = 0

Solving for variable 'z'.

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

Subproblem 1

Set the factor '(9 + z)' equal to zero and attempt to solve: Simplifying 9 + z = 0 Solving 9 + z = 0 Move all terms containing z to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + z = 0 + -9 Combine like terms: 9 + -9 = 0 0 + z = 0 + -9 z = 0 + -9 Combine like terms: 0 + -9 = -9 z = -9 Simplifying z = -9

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 = {-9, -2.666666667}

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