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Simplifying j2 + -6j + -17 = 0 Reorder the terms: -17 + -6j + j2 = 0 Solving -17 + -6j + j2 = 0 Solving for variable 'j'. Begin completing the square. Move the constant term to the right: Add '17' to each side of the equation. -17 + -6j + 17 + j2 = 0 + 17 Reorder the terms: -17 + 17 + -6j + j2 = 0 + 17 Combine like terms: -17 + 17 = 0 0 + -6j + j2 = 0 + 17 -6j + j2 = 0 + 17 Combine like terms: 0 + 17 = 17 -6j + j2 = 17 The j term is -6j. Take half its coefficient (-3). Square it (9) and add it to both sides. Add '9' to each side of the equation. -6j + 9 + j2 = 17 + 9 Reorder the terms: 9 + -6j + j2 = 17 + 9 Combine like terms: 17 + 9 = 26 9 + -6j + j2 = 26 Factor a perfect square on the left side: (j + -3)(j + -3) = 26 Calculate the square root of the right side: 5.099019514 Break this problem into two subproblems by setting (j + -3) equal to 5.099019514 and -5.099019514.Subproblem 1
j + -3 = 5.099019514 Simplifying j + -3 = 5.099019514 Reorder the terms: -3 + j = 5.099019514 Solving -3 + j = 5.099019514 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + j = 5.099019514 + 3 Combine like terms: -3 + 3 = 0 0 + j = 5.099019514 + 3 j = 5.099019514 + 3 Combine like terms: 5.099019514 + 3 = 8.099019514 j = 8.099019514 Simplifying j = 8.099019514Subproblem 2
j + -3 = -5.099019514 Simplifying j + -3 = -5.099019514 Reorder the terms: -3 + j = -5.099019514 Solving -3 + j = -5.099019514 Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + j = -5.099019514 + 3 Combine like terms: -3 + 3 = 0 0 + j = -5.099019514 + 3 j = -5.099019514 + 3 Combine like terms: -5.099019514 + 3 = -2.099019514 j = -2.099019514 Simplifying j = -2.099019514Solution
The solution to the problem is based on the solutions from the subproblems. j = {8.099019514, -2.099019514}
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