Solve the Equation $12 x ^ { 2 } + 31 x + 13 = - 7$

question 91

Multiple Choice

Solve the equation.
- $12 x ^ { 2 } + 31 x + 13 = - 7$

• A) \(\frac { 4 } { 5 } , \frac { 3 } { 4 }\)
• B) \(- \frac { 5 } { 4 } , - \frac { 4 } { 3 }\)
• C) \(\frac { 5 } { 4 } , \frac { 4 } { 3 }\)
• D) \(- \frac { 4 } { 5 } , - \frac { 4 } { 3 }\)

---

Definitions:

L-Phenylalanine

An essential amino acid with a phenyl group, required for various processes in the body and a precursor to neurotransmitters and proteins.

Organic Product

A chemical compound of organic origin or produced by living organisms.

Gaseous HCl

Hydrochloric acid in its gaseous form, commonly used in chemical synthesis and processing.

Propanoic Acid

An organic compound, a colorless, oily liquid with a pungent odor, used industrially in the production of esters, as a preservative, and in cosmetics.