j^2-20j+36=0

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Solution for j^2-20j+36=0 equation:


Simplifying
j2 + -20j + 36 = 0

Reorder the terms:
36 + -20j + j2 = 0

Solving
36 + -20j + j2 = 0

Solving for variable 'j'.

Factor a trinomial.
(2 + -1j)(18 + -1j) = 0

Subproblem 1

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 2

Set the factor '(18 + -1j)' equal to zero and attempt to solve: Simplifying 18 + -1j = 0 Solving 18 + -1j = 0 Move all terms containing j to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + -1j = 0 + -18 Combine like terms: 18 + -18 = 0 0 + -1j = 0 + -18 -1j = 0 + -18 Combine like terms: 0 + -18 = -18 -1j = -18 Divide each side by '-1'. j = 18 Simplifying j = 18

Solution

j = {2, 18}

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