Question

Hw
Q12.Simplify these expressions and find their values if p = 3, r=-1. (i) 9p - 5-
p+ 9 (ii)2 - 8p -2p+ 4
4 marks​

Answer 1

Answer:

i) 9(3) - 5 - 3 + 9

= 27 +1

= 28

ii) 2 - 8(3) -2(3) + 4

= 6 - 24 - 6

= -24