Question

(2 X + 4) (2 x - 4)=___​

Answer 1

Answer:

(a+b)(a-b)=a^2-b^2

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

4x^2-16

Answer 2

Answer:

4(x²-4).

Step-by-step explanation:

Given,

(2x+4)(2x-4)

(a+b)(a-b) => a²-b²

=> (2x)²-(4)²

=> 4x²-16

=> 4(x²-4)

=> 4(x²-2²)

=> 4[(x+2)(x-2)]