Question

B) 2a + 3b If a = 7 and b = 2, find the value of a) ab c) 2ab d) (a - b)2​

Answer 1

b) 20, a) 14, c) 28, d)10

Explanation:

b) 2a +3b ; a=7 and b=2

2(7) + 3(2)

14 +6

20

a) ab

(7)(2)

14

c)2ab

2(7)(2)

14(2)

28

d) (a-b)2

2a-2b

2(7)-2(2)

14-4

10

I was a bit confused at the question, but those were the answers that I got and the work that follow. Hope this helps! Good luck.