Question

the factor of x sqaure -4​

Answer 1

Step-by-step explanation:

x²-4

= x²- 2²

= (x+2)(x-2)

Here we used a²-b² = (a-b)(a+b)

For zeroes

x+2 = 0 & x-2 = 0

x = -2 or 2

Answer 2

Answer :-

x= 2 or x= -2

Step-by-step explanation:

x² - 4

= x²- 2²

=(x-2)(x+2)

= x= 2 or -2