Question

factorise the following equation​

Answer 1

Answer:

(a-1) (a-1)

Step-by-step explanation:

a2-2a+1

=a2-a-a+1

=a(a-1) -1(a-1)

=(a-1)(a-1)

Answer 2

Answer:

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

Step-by-step explanation:

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

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