Question

Multiply using any method. (a-1) (a-3)

Answer 1

Problem Statement

The question asks us to multiply the following expression:

$(a-1)(a-3)$

Method

To multiply this expression, we shall apply the FOIL method. This method is illustrated below:

First (F) - This implies that we should multiply the "first" values of both brackets; a and c.

Outside (O) - This implies that we should multiply the