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What are the solutions of the equation 9x^4-2x^2-7=0? Use u substitution to solve.​
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What are the solutions of the equation 9x^4-2x^2-7=0? Use u substitution to solve.​

What are the solutions of the equation 9x^4-2x^2-7=0? Use u substitution to solve-example-1
User Bcf
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The answer is A

User Chito Adinugraha
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