Question

using identity ,find (4x+5) (4x+1) ​

Answer 1

Answer:

=(4x)²+(-5+(-1))4x+(-5)(-1).

=16x²-24x+5.

Step-by-step explanation:

hope it helps u mate ☺️

Answer 2

Step-by-step explanation:

$(4x + 5)(4x + 5) \\ according \: to \: identity \: \\ a {}^{2} + b {}^{2} = (a + b)(a - b) \\ so \: \: \: \: \: \: \: \: \: 16x {}^{2} + 25$

I hope it helps you........