Question

factorise a²-b²-a-b​

Answer 1

$\huge\red{Hey\:mate}$

${\huge{\green{\mathfrak{Answer:-}}}}$

$<marquee direction="left behavior="alternate">Hope it will help you</marquee>$

$\fcolorbox{blue}{aqua}{THANK YOU}$

$\red{Mark\:it\:as\:a\: brainlist\:answer}$

Answer 2

Factorisation:

${a}^{2} - {b}^{2} - a - b \\ = (a + b)(a - b) - 1(a + b) \\ = (a + b)(a - b - 1)$

pls rate this as Brainliest