Find the Sum or Difference $$\left( 3 + 7 x ^ { 2 } + 9 x ^ { 4 } + 3 x ^ { 3 } \right) + \left( - 7 x ^ { 3 } - 9 x ^ { 2 } + 6 + 3 x ^ { 4 } \right)$$

question 422

Multiple Choice

Find the sum or difference.
- $$\left( 3 + 7 x ^ { 2 } + 9 x ^ { 4 } + 3 x ^ { 3 } \right) + \left( - 7 x ^ { 3 } - 9 x ^ { 2 } + 6 + 3 x ^ { 4 } \right)$$

• A) \(- 4 x ^ { 4 } - 4 x ^ { 3 } + 15 x ^ { 2 } + 6\)
• B) \(12 x ^ { 8 } - 4 x ^ { 6 } - 2 x ^ { 4 } + 9\)
• C) \(12 x ^ { 4 } - 4 x ^ { 3 } - 2 x ^ { 2 } + 9\)
• D) \(6 \mathrm { x } ^ { 18 } + 9\)

---

Definitions:

Trade Barriers

Measures imposed by governments to regulate or restrict international trade, including tariffs, quotas, embargoes, and standards.

Adverse Effects

Negative outcomes or damages that result from an action or policy.

Alleged Benefits

Claimed advantages or positive outcomes that may not have been fully verified or proven.

Voluntary Export Restriction

An agreement by a country to limit the quantity of goods exported to another country to avoid tariffs or quotas.