Question

(4b+5) (4b-5) solve this questions ... simplify

Answer 1

$(4b + 5)(4b - 5)$
let a=5 and b
$let a =4b \\ and b = 5$
we know that
$(a) ^{2} - (b )^{2}$
$= (a + b)(a - b)$
$(4b) ^{2} - (5) ^{2}$
$= 16b ^{2} - 25 answer$