How do you multiply #(3a + 1) ( 2a - 7)#?
Use the FOIL method.
FOIL stands for:
These refer to the position of the terms in the binomials. Let's start solving by multiplying the Firsts. In this case, we would multiply
Next, let's multiply the Outsides, which are the first term of the first binomial and the second term of the second binomial. We would multiply
We'll multiply the Insides next. These would be
Finally, we multiply the Lasts, which are
We now have to put them all together in one expression. Our expression is