Question

factorise a^2-2a-1. Can you please factorise it using splitting the middle term​

Answer 1

Step-by-step explanation:

${a}^{2} - 2a - 1$

${a}^{2} - 1a - 1a - 1$

$( {a}^{2} - 1a) - (1a - 1)$

$a(a - 1) - 1(a - 1)$

(a-1) (a-1)

(a-1)² Ans