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Evaluate the following expressions if  a=2 , b=3, and c=1. Show your complete solution.

1. 2ab + 3bc + 5ac=
2. 2(a+bc) + 4 (ab + ac)=
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Given:

A = 2

B = 3

C = 1

Answer:

1. 2ab + 3bc + 5ac

= 2(2)(3) + 3(3)(1) + 5(2)(1)

= 12 + 10 + 11

= 33

2. 2(a+bc) + 4 + (ab + ac)

= 2((2)+(3)(1) + 4 ((2)(3) + (3)(1))

= 7 + 14

= 21

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