Question

Can i please get help step by step

Answer 1

Answer: 18

Explanation:

Follow the rule of BIDMAS -

(7 - 4)² = 3² = 9

9 x 2 = 18

Answer 2

(a-b)^2 * 2 = (7-4)^2 * 2 = 3^2 *2 = 9 * 2 =

18

(based of 'order of operation', look at diagram for help)

Hope that helps!