Multiply
- $( 9 x - 10 ) ^ { 2 }$

question 195

Multiple Choice

Multiply.
- $( 9 x - 10 ) ^ { 2 }$

• A) \(81 x ^ { 2 } + 100\)
• B) \(9 x ^ { 2 } - 180 x + 100\)
• C) \(9 x ^ { 2 } + 100\)
• D) \(81 x ^ { 2 } - 180 x + 100\)

---

Definitions:

Brainstorming

A creative group activity aimed at generating a large number of ideas for problem-solving or innovation.

Spontaneous

Occurring without premeditation or external stimulus, often marked by a natural, unplanned flow.

Ecological Systems Theory

A theory proposed by Urie Bronfenbrenner, suggesting that human development is influenced by different kinds of environmental systems ranging from the immediate family and school settings to broader community and society levels.

Microsystem

Microsystem refers to the closest layer of the social environments in an individual's life, such as family and school, and the interactions within these settings.