Question

Fatorise of x square - 16 is​

Answer 1

Step-by-step explanation:

x^2-16

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

=(x+4)(x-4)

Answer 2

Step-by-step explanation:

x²-16=x²-4²(a²-b²=(a+b)(a-b))

       =(x+4)(x-4)

       x=-4 (or) x=4