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Simplifying (7 + -2i)(3 + -5i) = O Multiply (7 + -2i) * (3 + -5i) (7(3 + -5i) + -2i * (3 + -5i)) = O ((3 * 7 + -5i * 7) + -2i * (3 + -5i)) = O ((21 + -35i) + -2i * (3 + -5i)) = O (21 + -35i + (3 * -2i + -5i * -2i)) = O (21 + -35i + (-6i + 10i2)) = O Combine like terms: -35i + -6i = -41i (21 + -41i + 10i2) = O Solving 21 + -41i + 10i2 = O Solving for variable 'i'. Reorder the terms: 21 + -1O + -41i + 10i2 = O + -1O Combine like terms: O + -1O = 0 21 + -1O + -41i + 10i2 = 0 The solution to this equation could not be determined.
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