Question

Factorise the polynomial X2 – y2 16

​

Answer 1

Answer:

x2-16y2 can be simplified as

(x)2-(4y)2

using identity a2-b2 = (a+b)(a-b)

from the above identity we have

a = x

b = 4y

so our answer will be

(x+4y)(x-4y)

Thank you for asking this question

hope you will understand