Simplify the Expression, and Combine Like Terms $$6 \left( 2 a ^ { 2 } + 9 a b \right) - a ( 2 a - 5 b )$$

question 54

Multiple Choice

Simplify the expression, and combine like terms.
- $$6 \left( 2 a ^ { 2 } + 9 a b \right) - a ( 2 a - 5 b )$$

• A) \(14 a ^ { 2 } + 59 a b\)
• B) \(14 a ^ { 2 } + 9 a b - 5 b\)
• C) \(10 a ^ { 2 } + 59 a b\)
• D) \(10 a ^ { 2 } + 49 a b\)

---

Definitions:

Spyware

Software that collects information without user consent, using keystroke logging, gaining access to saved documents, and recording Internet activity. Results in unsolicited pop-ups and identity theft.

Trojan

A virus program that appears to be a normal application but that, when executed, changes something. It does not replicate but could gather information that could later be used to hack into someone’s computer.

Multifactor Authentication

A security system requiring more than one method of authentication from independent categories of credentials to verify the user's identity.

Password/PIN

Security measures used to protect access to devices and accounts, consisting of a secret series of characters (password) or numbers (PIN) known only to the user.