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Simplifying x = (7 + 2i)(-1 + -3i) Multiply (7 + 2i) * (-1 + -3i) x = (7(-1 + -3i) + 2i * (-1 + -3i)) x = ((-1 * 7 + -3i * 7) + 2i * (-1 + -3i)) x = ((-7 + -21i) + 2i * (-1 + -3i)) x = (-7 + -21i + (-1 * 2i + -3i * 2i)) x = (-7 + -21i + (-2i + -6i2)) Combine like terms: -21i + -2i = -23i x = (-7 + -23i + -6i2) Solving x = -7 + -23i + -6i2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Simplifying x = -7 + -23i + -6i2
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