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what is b3+ ac / ab + 2bc if a=-2 b=3 and c=4.2 ?

 Sep 26, 2017
 #1
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(b3+ac)/(ab+2bc)=?

 

(33+-2(4.2))/(-2(3)+2(3(4.2)))

 

(27-8.4)/(-6+25.2)

 

18.6/19.2

 

0.96875

 

With the given values of each variable, b3+ac/ab+2bc = 0.96875.

 Sep 26, 2017

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