Question

factorise 16x^2 - 1​

Answer 1

Step-by-step explanation:

16x^2 -1

=(4x)^2-1

=(4x-2)(4x-1)

Answer 2

Answer:

(4x - 1) (4x +1)

Step-by-step explanation:

$16 {x}^{2} - 1 \\ = {(4x)}^{2} - {1}^{2} \\using \: identity \: \: \: {a}^{2} - {b}^{2} = (a - b)(a + b ) \\ = (4x - 1)(4x + 1)$

hope you get your answer