12j^9-28j^8+15j^7=

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Solution for 12j^9-28j^8+15j^7= equation:


Simplifying
12j9 + -28j8 + 15j7 = 0

Reorder the terms:
15j7 + -28j8 + 12j9 = 0

Solving
15j7 + -28j8 + 12j9 = 0

Solving for variable 'j'.

Factor out the Greatest Common Factor (GCF), 'j7'.
j7(15 + -28j + 12j2) = 0

Factor a trinomial.
j7((5 + -6j)(3 + -2j)) = 0

Subproblem 1

Set the factor 'j7' equal to zero and attempt to solve: Simplifying j7 = 0 Solving j7 = 0 Move all terms containing j to the left, all other terms to the right. Simplifying j7 = 0 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(5 + -6j)' equal to zero and attempt to solve: Simplifying 5 + -6j = 0 Solving 5 + -6j = 0 Move all terms containing j to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -6j = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -6j = 0 + -5 -6j = 0 + -5 Combine like terms: 0 + -5 = -5 -6j = -5 Divide each side by '-6'. j = 0.8333333333 Simplifying j = 0.8333333333

Subproblem 3

Set the factor '(3 + -2j)' equal to zero and attempt to solve: Simplifying 3 + -2j = 0 Solving 3 + -2j = 0 Move all terms containing j to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + -2j = 0 + -3 Combine like terms: 3 + -3 = 0 0 + -2j = 0 + -3 -2j = 0 + -3 Combine like terms: 0 + -3 = -3 -2j = -3 Divide each side by '-2'. j = 1.5 Simplifying j = 1.5

Solution

j = {0.8333333333, 1.5}

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