Question

a^4-4096

Answer 1

{{a -> -8}, {a -> -8 i}, {a -> 8 i}, {a -> 8}}

Answer 2

thats not th problem. its a to the 4th power -4096 it asks to factor it out

Answer 3

do you know this factorisation?\[a^2-b^2=(a+b)(a-b)\]

Answer 4

yes

Answer 5

good - so first express your expression as a difference of two squares. then factorise it using this method.

Answer 6

do you understand?

Answer 7

kool thnks

Answer 8

yw :)

remember you can apply this multiple times. so the first factorisation might lead to another sub-expression which has a difference of two squares.