Question

Evaluate your answer to (x + y + 3) x (y + 1), when x = 2 and y = 1.

Answer 1

12

Explanation:

substitute x = 2 and y = 1 into the expression

(x + y + 3) × (y + 1)

= (2 + 1 + 3) × (1 + 1)

6 × 2

= 12