I think you have multiply 5x4 which equals 20 then 20 divided by 10 which equals 2 and that’s ur answer
Answer:
Fraction
Step-by-step explanation:
16x^2 - 64
(4x − 8)(4x + 8)
We recognize that this is the difference of squares
(a-b) (a+b) = a^2 - b^2
=(4x)^2 - 8^2
=16x^2 - 64
125, 216, 343,