Question

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

Answer 1

Answer:

$(x+a)(x+b)$

Step-by-step explanation:

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

$(x+a)(x+b) = x(x+b)+ a (x+b)$

Answer 2

Here’s the answer
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