j^3-11j^2+18j=0

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Solution for j^3-11j^2+18j=0 equation:


Simplifying
j3 + -11j2 + 18j = 0

Reorder the terms:
18j + -11j2 + j3 = 0

Solving
18j + -11j2 + j3 = 0

Solving for variable 'j'.

Factor out the Greatest Common Factor (GCF), 'j'.
j(18 + -11j + j2) = 0

Factor a trinomial.
j((2 + -1j)(9 + -1j)) = 0

Subproblem 1

Set the factor 'j' equal to zero and attempt to solve: Simplifying j = 0 Solving j = 0 Move all terms containing j to the left, all other terms to the right. Simplifying j = 0

Subproblem 2

Set the factor '(2 + -1j)' equal to zero and attempt to solve: Simplifying 2 + -1j = 0 Solving 2 + -1j = 0 Move all terms containing j to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1j = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1j = 0 + -2 -1j = 0 + -2 Combine like terms: 0 + -2 = -2 -1j = -2 Divide each side by '-1'. j = 2 Simplifying j = 2

Subproblem 3

Set the factor '(9 + -1j)' equal to zero and attempt to solve: Simplifying 9 + -1j = 0 Solving 9 + -1j = 0 Move all terms containing j to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1j = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1j = 0 + -9 -1j = 0 + -9 Combine like terms: 0 + -9 = -9 -1j = -9 Divide each side by '-1'. j = 9 Simplifying j = 9

Solution

j = {0, 2, 9}

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