Question

If a x b = 2a - 3b + ab, then 3 x 5 + 5 x 3 is equal to?

A. 20
B. 22
C. 24
D. 26

Answer 1

B. 22

Explanation:

Answer 2

B. 22

Explanation:

3 * 5 + 5 * 3 = (2 * 3 - 3 * 5 + 3 * 5) + ( 2 * 5 - 3 * 3 + 5 * 3)

= (6 + 10 - 9 + 15) = 22.