Question

If a = -3, find the value of
a) 2a
b) a2
c) 3a2​

Answer 1

Explanation:

Given

a = - 3

for a)

= 2* (-3)

= -6

for b)

= (-3)²

= 9

for c)

= 3 * (-3)²

= 3 * 9

= 27

Hope it helps :)