Question

use the identity (x+a) (x+b) = x2+(a+b)x+ab<br />4. (4x+5) (4x-1)​

Answer 1

$16x^{2}+16x-5$

see the pic that i have attached

hope this helps....

Answer 2

maihuunknown ne sahi answer diya hai use brainlist bana do