Question

16x2 – 25

O
(4x+5)(4x-5)
O
(4x-5)(4x-5)
O
O
(2x+5)(8x-5)
(2x-5)(8x-5)

Answer 1

A

Explanation:

=16x²-25

=(4x)²-(5)²

Using formula a²-b²=(a+b)(a-b)

=(4x+5)(4x-5)