Subtract
- $$\left( x ^ { 3 } + 9 x y - 4 y ^ { 2 } \right) - \left( 6 x ^ { 3 } + 4 x y + y ^ { 2 } \right)$$

question 37

Multiple Choice

Subtract.
- $$\left( x ^ { 3 } + 9 x y - 4 y ^ { 2 } \right) - \left( 6 x ^ { 3 } + 4 x y + y ^ { 2 } \right)$$

• A) \(7 x ^ { 3 } + 5 x y - 5 y ^ { 2 }\)
• B) \(5 x ^ { 3 } - 5 x y - 3 y ^ { 2 }\)
• C) \(- 5 x ^ { 3 } + 5 x y - 3 y ^ { 2 }\)
• D) \(- 5 x ^ { 3 } + 5 x y - 5 y ^ { 2 }\)

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Definitions:

Developmental Crisis

A critical phase in an individual's life where major changes or decisions may lead to personal growth or distress.

Cognitive Development Theory

A theory that describes how thinking and reasoning develop with age and experience, outlining stages from infancy through adulthood.

Abstract Concepts

Ideas or theories that are not based on physical or concrete experiences but are more theoretical or intellectual in nature.

Formal Operational Stage

A stage in Piaget's theory of cognitive development, typically beginning around age 12, when individuals develop the ability to think abstractly, logically, and systematically.