Question

If a=2, b=-5 and c=-8, find the value of (a-b)(b-c).


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Answer 1

Answer:

21

Step-by-step explanation:

(a-b) (b-c)

(2+5) (-5+8)

(7) (3)

21

Answer 2

Step-by-step explanation:

a=2

b=-5

c=-8

Given=>

(a-b)(b-c)

(2-(-5))(-5-(-8))

(2+5)(-5+8)

(7)(3)=21