Mathematics, 11.06.2021 22:10, lilycastillo15

2. Solve the equation x⁴+ x²- 20 = 0 by recognizing it as a disguised quadratic equation (ie: think of the variable as "x²" or let "a = x²")

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2. Solve the equation x⁴+ x²- 20 = 0 by recognizing it as a disguised quadratic equation (ie: think...

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2. Solve the equation x⁴+ x²- 20 = 0 by recognizing it as a disguised quadratic equation (ie: think of the variable as "x²" or let "a = x²")​

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2. Solve the equation x⁴+ x²- 20 = 0 by recognizing it as a disguised quadratic equation (ie: think of the variable as "x²" or let "a = x²")