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Simplifying (i + -3) * 6i + -3(8 + -1i) = 0 Reorder the terms: (-3 + i) * 6i + -3(8 + -1i) = 0 Reorder the terms for easier multiplication: 6i(-3 + i) + -3(8 + -1i) = 0 (-3 * 6i + i * 6i) + -3(8 + -1i) = 0 (-18i + 6i2) + -3(8 + -1i) = 0 -18i + 6i2 + (8 * -3 + -1i * -3) = 0 -18i + 6i2 + (-24 + 3i) = 0 Reorder the terms: -24 + -18i + 3i + 6i2 = 0 Combine like terms: -18i + 3i = -15i -24 + -15i + 6i2 = 0 Solving -24 + -15i + 6i2 = 0 Solving for variable 'i'. Factor out the Greatest Common Factor (GCF), '3'. 3(-8 + -5i + 2i2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(-8 + -5i + 2i2)' equal to zero and attempt to solve: Simplifying -8 + -5i + 2i2 = 0 Solving -8 + -5i + 2i2 = 0 Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. -4 + -2.5i + i2 = 0 Move the constant term to the right: Add '4' to each side of the equation. -4 + -2.5i + 4 + i2 = 0 + 4 Reorder the terms: -4 + 4 + -2.5i + i2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -2.5i + i2 = 0 + 4 -2.5i + i2 = 0 + 4 Combine like terms: 0 + 4 = 4 -2.5i + i2 = 4 The i term is -2.5i. Take half its coefficient (-1.25). Square it (1.5625) and add it to both sides. Add '1.5625' to each side of the equation. -2.5i + 1.5625 + i2 = 4 + 1.5625 Reorder the terms: 1.5625 + -2.5i + i2 = 4 + 1.5625 Combine like terms: 4 + 1.5625 = 5.5625 1.5625 + -2.5i + i2 = 5.5625 Factor a perfect square on the left side: (i + -1.25)(i + -1.25) = 5.5625 Calculate the square root of the right side: 2.358495283 Break this problem into two subproblems by setting (i + -1.25) equal to 2.358495283 and -2.358495283.Subproblem 1
i + -1.25 = 2.358495283 Simplifying i + -1.25 = 2.358495283 Reorder the terms: -1.25 + i = 2.358495283 Solving -1.25 + i = 2.358495283 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + i = 2.358495283 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + i = 2.358495283 + 1.25 i = 2.358495283 + 1.25 Combine like terms: 2.358495283 + 1.25 = 3.608495283 i = 3.608495283 Simplifying i = 3.608495283Subproblem 2
i + -1.25 = -2.358495283 Simplifying i + -1.25 = -2.358495283 Reorder the terms: -1.25 + i = -2.358495283 Solving -1.25 + i = -2.358495283 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '1.25' to each side of the equation. -1.25 + 1.25 + i = -2.358495283 + 1.25 Combine like terms: -1.25 + 1.25 = 0.00 0.00 + i = -2.358495283 + 1.25 i = -2.358495283 + 1.25 Combine like terms: -2.358495283 + 1.25 = -1.108495283 i = -1.108495283 Simplifying i = -1.108495283Solution
The solution to the problem is based on the solutions from the subproblems. i = {3.608495283, -1.108495283}Solution
i = {3.608495283, -1.108495283}
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