Simplify by First Removing the Parentheses and Then Combining the Like

question 154

Multiple Choice

Simplify by first removing the parentheses and then combining the like terms. $- 14 \left( 8 x ^ { 2 } - 2 y ^ { 2 } \right)$

• A) 112x ² + 28y ²
• B) -112x ² + 28y ²
• C) 28x ² - 112y ²
• D) -28x ² + 112y ²
• E) -112x + 28y

---

Definitions:

Structure

The arrangement of atoms within a molecule which defines its specific shape and properties.

Proton NMR

A spectroscopic technique used to determine the structure of organic compounds by analyzing the environment of hydrogen atoms.

Aromatic Ring

A cyclic, planar molecule with delocalized π electrons over the atoms forming the ring, following Huckel's rule.

Compound Name

The systematic or common name given to a chemical compound, based on the rules of the chemical nomenclature used to identify it uniquely.