Simplify the Expression: 71a+12b-(25ab+4a) Using Like Terms

First, we tackle the parentheses.

Remember that when we multiply a positive number by a negative number, the result will be negative.

Now we get:

$71a+12b-25ab-4a=$

Now we add the coefficients a:

$71a-4a=67a$

Now we get:

$67a+12b-25ab$