9!(9-5)!5!

Subtract 5 from 9.

9!(4)!5!

Rewrite 9! as 9⋅8⋅7⋅6⋅5!.

9⋅8⋅7⋅6⋅5!(4)!5!

Cancel the common factor.

9⋅8⋅7⋅6⋅5!(4)!5!

Rewrite the expression.

9⋅8⋅7⋅6(4)!

9⋅8⋅7⋅6(4)!

Multiply 9 by 8.

72⋅7⋅6(4)!

Multiply 72 by 7.

504⋅6(4)!

Multiply 504 by 6.

3024(4)!

3024(4)!

Expand (4)! to 4⋅3⋅2⋅1.

30244⋅3⋅2⋅1

Simplify.

Multiply 4 by 3.

302412⋅2⋅1

Multiply 12 by 2.

302424⋅1

Multiply 24 by 1.

302424

302424

302424

Divide 3024 by 24.

126

Evaluate (9!)/((9-5)!5!)