Question

expand it ( a - 2 ) ( a - 1 ) I will mark as brainlist pls give right answer 50 pts​

Answer 1

Step-by-step explanation:

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

Answer 2

Step-by-step explanation:

( a - 2 ) ( a - 1 )

=(−1)−2(−1)

=²−−2(−1)

=²−−2+2

=a²-3a+2