Question

factorise 64 x²- 1 ​

Answer 1

Answer:

(8x)²-(1)²

(8x-1)(8x+1)

Step-by-step explanation:

Answer 2

$64 x^2 - 1 = (8x)^2 - (1)^2\\\\a^2 - b^2 = (a+b) (a-b)\\\\a = 8x , \ b = 1\\\\ (8x)^2 - (1)^2 = (8x+1)(8x-1)\\\\hope \ it \ helps \ !!$