In Exercises 4752, solve each system by the method of your choice. 4x2 + xy = 30
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In Exercises 47–52, solve each system by the method of your choice.
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4x2 + xy = 30 x² + 3ху = -9
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4x xy 30 x 3xy 9 Multiply the first equation by 3 and ...View the full answer
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