Solve the following equation by making an appropriate substitution. $3x^{-2} - 13x^{-1} + 12 = 0$ The solution set is
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We can rewrite $x^{-2}$ as $(x^{-1})^2$. So the equation becomes $3(x^{-1})^2 - 13x^{-1} + 12 = 0$. Show more…
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