To write 4x as a fraction with a common denominator, multiply by 99.
To write -59 as a fraction with a common denominator, multiply by xx.
Write each expression with a common denominator of x⋅9, by multiplying each by an appropriate factor of 1.
Multiply 4x and 99.
Multiply 59 and xx.
Reorder the factors of x⋅9.
Combine the numerators over the common denominator.
Multiply 4 by 9.