Question

find the product of the following expression (a) (a-5) (2a-4)​

Answer 1

$= (a-5) (2a-4)$

$= a(2a-4) - 5 (2a-4)$

$= 2 {a}^{2} - 4a - 10a + 20$

$= 2 {a}^{2} - 14a + 20$

Answer 2

Answer:

a^2-7a+10

Step-by-step explanation:

=(a-5) (2a-4)

=2a^2-4a-10a+20

=2a^2-14a+20

=a^2-7a+10