Question

X ^ 4 minus 16 ? factor between two squares

Answer 1

Answer:

$(x^{2} -4)(x^{2} +4)$

Step-by-step 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