Given that a­­^b = x, evaluate the following;

Question

a^(b+2)

2a^3b+a^2b+ab

Answer 1

a^b = x
a^(b+2) = a^2 * a^b = a^2 x

2a^3b + a^2b + a^b
= 2x^3 + x^2 + x

Answer 2

for the first one, isn't it supposed to be x= a^2x