Question

please solve this question and send me the answer​

Answer 1

Answer:

(1)a^2-(8)^2

(a-8)(a+8)

(2)5(4a^2-9b^2)

5(2a)^2-(3b)^2

5(2a-3b)(2a+3b)

(3)I don't know answer of this question

(4)(x^2-2xy+y^2)-z^2

(x-y)^2-z^2

(x-y-z)(x-y+z)