Question

(a-b)(b-c) for a=2 b=-5c=-8

Answer 1

(a-b)(b-c)
(2-(-5))((-5)-(-8))
(7)(-5+8)
(7)(3)
21

Answer 2

Step-by-step explanation:

(a-b)(b-c)

{(2-(-5)} {(-5)-(-8)}

(7) (-5+8)

(7) (3)

=21

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