Question

factorise the following:-

Answer 1

x² - (a²+2a+1)

x² - (a²+a+a+1)

x² - {a(a+1)+1(a+1)}

x² - (a+1) (a+1)

x² - (a+1)²

{x - (a+1)} {x+(a+1)}

(x-a-1) ( x+a+1)