z(2z-3)(z+5)=0

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Solution for z(2z-3)(z+5)=0 equation:


Simplifying
z(2z + -3)(z + 5) = 0

Reorder the terms:
z(-3 + 2z)(z + 5) = 0

Reorder the terms:
z(-3 + 2z)(5 + z) = 0

Multiply (-3 + 2z) * (5 + z)
z(-3(5 + z) + 2z * (5 + z)) = 0
z((5 * -3 + z * -3) + 2z * (5 + z)) = 0
z((-15 + -3z) + 2z * (5 + z)) = 0
z(-15 + -3z + (5 * 2z + z * 2z)) = 0
z(-15 + -3z + (10z + 2z2)) = 0

Combine like terms: -3z + 10z = 7z
z(-15 + 7z + 2z2) = 0
(-15 * z + 7z * z + 2z2 * z) = 0
(-15z + 7z2 + 2z3) = 0

Solving
-15z + 7z2 + 2z3 = 0

Solving for variable 'z'.

Factor out the Greatest Common Factor (GCF), 'z'.
z(-15 + 7z + 2z2) = 0

Factor a trinomial.
z((-5 + -1z)(3 + -2z)) = 0

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 '(-5 + -1z)' equal to zero and attempt to solve: Simplifying -5 + -1z = 0 Solving -5 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + -1z = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -1z = 0 + 5 -1z = 0 + 5 Combine like terms: 0 + 5 = 5 -1z = 5 Divide each side by '-1'. z = -5 Simplifying z = -5

Subproblem 3

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 = {0, -5, 1.5}

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