Rewrite as .Cancel the common factor of .Tap for more steps…Cancel the common factor.Rewrite the expression.Simplify the numerator.Tap for more steps…Multiply by .Multiply by .Simplify the denominator.Tap for more steps…Expand to .Simplify.Tap for more steps…Multiply by .Multiply by .Divide by . Evaluate (48!)/(3!*45!)