Question: Evaluate the expression without using a calculator. 42! 40! - 2! 42! 40! - 2! (Simplify your answer. Type an integer or a simplified fraction.

Evaluate the expression without using a
Evaluate the expression without using a calculator. 42! 40! - 2! 42! 40! - 2! (Simplify your answer. Type an integer or a simplified fraction. )

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