Find the Number of Possibilities seven choose five

Find the Number of Possibilities 7 choose 5
Evaluate using the formula .
Subtract from .
Clarify .
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Should be rewritten as .
The common factor should be canceled of .
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Cancel the common factor.
Reformulate the expression.
First, multiply by .
Clarify the denominator.
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Expand to .
Initially, multiply by .
First, divide by .
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