Solve Equations That Are Quadratic in Form
Solve the Equation $y = x ^ { - 2 } + 2 x ^ { - 1 } - 3$

Multiple Choice

Solve Equations That Are Quadratic in Form
Solve the equation by making an appropriate substitution.
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A) $y = x ^ { - 2 } + 2 x ^ { - 1 } - 3$
B) $y = x ^ { - 2 } - 2 x ^ { - 1 } - 3$
C) $y = x ^ { - 2 } + 2 x ^ { - 1 } + 3$
D) $y = x ^ { - 2 } - 2 x ^ { - 1 } + 3$