To divide by a fraction, multiply by its reciprocal.
Factor m2-5m+4 using the AC method.
Consider the form x2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is 4 and whose sum is -5.
Write the factored form using these integers.
Cancel the common factor of m-4.
Cancel the common factor.
Rewrite the expression.
Multiply m+6 and m-1m+4.