Question

Which is the most suitable identity to find product of (4x + 5) (4x – 1)

1 point
(a+b)²
(x+a)(x+b)
(a-b)²
a²-b²

Answer 1

Here’s the answer
I hope it will be for you.
Thanks

Answer 2

`(x+a)(x+b)`

Explanation:

Following identity is most suitable to simplify (4x + 5) (4x – 1)

`(x+a)(x+b) = x(x+b)+ a (x+b)`