Solve Equations That Are Quadratic in Form
Solve the Equation $$\mathrm { x } ^ { - 2 } + \mathrm { x } ^ { - 1 } - 56 = 0$$

question 131

Multiple Choice

Solve Equations That Are Quadratic in Form
Solve the equation by making an appropriate substitution.
- $$\mathrm { x } ^ { - 2 } + \mathrm { x } ^ { - 1 } - 56 = 0$$

• A) \(\left\{ - \frac { 1 } { 8 } , \frac { 1 } { 7 } \right\}\)
• B) \(\left\{ \frac { 1 } { 8 } , - \frac { 1 } { 7 } \right\}\)
• C) \(\{ 8 , - 7 \}\)
• D) \(\{ - 8,7 \}\)

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Definitions:

Excisional Biopsy

A surgical procedure in which an entire lump or suspicious area is removed for diagnosis.

Nonneoplastic Dysplasia

refers to abnormal growth or development of cells within tissues and organs that is not cancerous.

Neoplastic

Pertaining to, or characterized by, neoplasms (tumors), which are abnormal growths of tissue that may be benign or malignant.