Expand (x 1)(x - 1)
Expand the expression (x 1)(x - 1) using FOIL or distribution.
Answer:
=
Step-by-Step Solution
Step 1
Identify Expression
First binomial: (x 1)
Second binomial: (x - 1)
Use FOIL: First, Outer, Inner, Last
Step 2
Multiply Each Term
Multiply each term in (x 1) by each term in (x - 1)
Step 3
Products
(x1) × (x) = x²
(x1) × (-1) = -x
Step 4
Combine Like Terms
x² + -x
= -x
Step 5
Final Answer
(x 1)(x - 1) = -x