
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
The area of a rectangle can be calculated by the product of its length and width. If the expression for the length of a rectangle is $(5x + 3)$ and its width is represented as $(x - 7)$, what is the polynomial expression for the area of the rectangle?
A) $5x^2 - 32x - 21$
B) $5x^2 + 3x - 7$
C) $5x^2 - 39x + 21$
D) $5x^2 - 32x + 21$

Present the answer in LaTex format: \boxed{Your answer}
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