7!(7-4)!
Subtract 4 from 7.
7!(3)!
Rewrite 7! as 7⋅6⋅5⋅4⋅3!.
7⋅6⋅5⋅4⋅3!(3)!
Cancel the common factor.
7⋅6⋅5⋅4⋅3!(3)!
Divide 7⋅6⋅5⋅4 by 1.
7⋅6⋅5⋅4
7⋅6⋅5⋅4
Multiply 7 by 6.
42⋅5⋅4
Multiply 42 by 5.
210⋅4
Multiply 210 by 4.
840
840
Evaluate (7!)/((7-4)!)