Question

(4x+5)(4x-1)
please give answer fast​

Answer 1

Answer:

(4x+5)(4x-1)

=4x(4x-1)+5(4x-1)

=16x^2-4x+20x-5

=16x^2+16x-5

Step-by-step explanation:

hope it helps you ☺️☺️

Answer 2

Step-by-step explanation:

Given,

(4x + 5)(4x - 1). [Expanding it]

= 16x² - 4x + 20x - 5

= 16x² + 16x - 5

Verification :

16x² + 16x - 5 [Factorising it]

16x² - 4x + 20x - 5

4x(4x - 1) + 5(4x - 1)

(4x + 5)(4x - 1)

The answer is same.

Hence verified.

Hope it helps!

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