Simplify
- $$\frac { \frac { 7 } { x + 3 } + \frac { 14 } { x + 7 } } { \frac { 3 x + 13 } { x ^ { 2 } + 10 x + 21 } }$$

question 292

Multiple Choice

Simplify.
- $$\frac { \frac { 7 } { x + 3 } + \frac { 14 } { x + 7 } } { \frac { 3 x + 13 } { x ^ { 2 } + 10 x + 21 } }$$

• A) \(\frac { 1 } { 7 }\)
• B) \(3 x + 13\)
• C) 21
• D) 7

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Definitions:

Condensation Polymer

A type of polymer formed by the condensation reaction where two molecules combine with the elimination of a small molecule, often water, between them.

Lactam Monomers

The monomeric units that can polymerize to form polyamides, where the repeating units contain a lactam ring.

Polyamides

Synthetic polymers made by the linkage of amino acids or by the polymerization of monomers with amide bonds, used in textiles and plastics.

Polymer

Large molecules made up of repeating structural units known as monomers.