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Simplifying 8x2 + 9ix + -4 = 0 Reorder the terms: -4 + 9ix + 8x2 = 0 Solving -4 + 9ix + 8x2 = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 9ix + 4 + 8x2 = 0 + 4 Reorder the terms: -4 + 4 + 9ix + 8x2 = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 9ix + 8x2 = 0 + 4 9ix + 8x2 = 0 + 4 Combine like terms: 0 + 4 = 4 9ix + 8x2 = 4 Add '-8x2' to each side of the equation. 9ix + 8x2 + -8x2 = 4 + -8x2 Combine like terms: 8x2 + -8x2 = 0 9ix + 0 = 4 + -8x2 9ix = 4 + -8x2 Divide each side by '9x'. i = 0.4444444444x-1 + -0.8888888889x Simplifying i = 0.4444444444x-1 + -0.8888888889x
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