j^2-10j+9=0

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Solution for j^2-10j+9=0 equation:


Simplifying
j2 + -10j + 9 = 0

Reorder the terms:
9 + -10j + j2 = 0

Solving
9 + -10j + j2 = 0

Solving for variable 'j'.

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

Subproblem 1

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

Subproblem 2

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 = {1, 9}

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