Multiply Do Not Simplify $$\frac { 3 x } { 3 x } \cdot \frac { x - 9 } { x + 10 }$$

question 109

Multiple Choice

Multiply. Do not simplify.
- $$\frac { 3 x } { 3 x } \cdot \frac { x - 9 } { x + 10 }$$

• A) \(\frac { 3 x ( x + 10 ) } { 3 x ( x - 9 ) }\)
• B) \(\frac { 3 x ( x - 9 ) } { x + 10 }\)
• C) \(\frac { x - 9 } { 3 x ( x + 10 ) }\)
• D) \(\frac { 3 x ( x - 9 ) } { 3 x ( x + 10 ) }\)

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Definitions:

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Double Casting

In programming, refers to the process of converting a data type into another, and then converting it again into a different data type.

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