Question

multiply binomial

(a+2)^3

Answer 1

first seperate it out

Answer 2

(a+2)(a+2)(a+2)

Answer 3

then multiply the first 2 blobs

Answer 4

so then it becomes (a^2+4a+4)(a+2)

Answer 5

so this is what I did a^3+a^2+2 is this correct
no it is not correct

Answer 6

no the right answer is \[a ^{3}+6a ^{2}+12a+8\]