factor of (a - 1)(a - 1)?​

Sagot :

Answer:

=(a-1)²

Step-by-step explanation:

sana makatulong

Answer:

a² – 2a + 1

Step-by-step explanation:

(a – 1) (a – 1)

a (a – 1) – 1 (a – 1)

a² – a – 1 (a – 1)

a² – a – a + 1

a² – 2a + 1