Though many students think the following statements are true, each of them is actually FALSE. Confirm this by substituting simple numbers for the variables and doing the arithmetic. Note: Do not use 0 or 1; they are too special. Homework Help ✎
REMEMBER: EACH OF THESE STATEMENTS IS FALSE.
(x + y)2 = x2 + y2
= p + q
(a−1 + b−1)−1 = a + b
3 · 2x = 6 x
Try substituting numbers such as 2, 3, 4, or 5.