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Simplifying 3i(7i) = x Remove parenthesis around (7i) 3i * 7i = x Reorder the terms for easier multiplication: 3 * 7i * i = x Multiply 3 * 7 21i * i = x Multiply i * i 21i2 = x Solving 21i2 = x Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Divide each side by '21'. i2 = 0.04761904762x Simplifying i2 = 0.04761904762x Combine like terms: 0.04761904762x + -0.04761904762x = 0.00000000000 i2 + -0.04761904762x = 0.00000000000 The solution to this equation could not be determined.
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