Question

(4x+5) (4x-1) by using identity​

Answer 1

Answer:

using identity, (a+b) (a-b) = a²-b²

(4x+5) (4x-5) = 16x²-25

Answer 2

Answer:

The answer is 16x square + 16x -5

Step-by-step explanation:

Solve the expression using the 4th Identity

That is : (X+a) (x+b) = x square + (a+b)x + ab

Then you 'll get the answer .

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