Question

X ^ 4 minus 16 ? factor between two squares

Answer 1

`(x^(2) -4)(x^(2) +4)`

Explanation:

`x^(4)-16`

=
`(x^(2) -4)(x^(2) +4)`

find what the square root is for the two terms

put them in brackets with different signs

General rule:

`x^(2) -y^(2) = (x-y)(x+y)`

Hope that helped