Question

Resolve into factors (4a+b)(4a-b)​

Answer 1

Answer : $16^a - b^2$

$(4a + b) (4a - b )$

$= (4a + b) (4a - b )$

$= (4a) (4a) + ( 4a) (-b) + (b)(4a) + (b) (-b)$

$= 16^a - 4ab + 4ab - b^2$

$= 16^a - b^2$

Answer 2

The answer would be 16^a-b^2