Using Direct Proof, Show that if x an Integer then 2x^2 +6c+8 is even

C++ for Engineers and Scientists
4th Edition
ISBN:9781133187844
Author:Bronson, Gary J.
Publisher:Bronson, Gary J.
Chapter12: Adding Functionality To Your Classes
Section12.5: Virtual Functions
Problem 5E
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Subject: Discrete Structures
Topic: Proofs

Using Direct Proof, Show that if x an Integer then 2x^2 +6c+8 is even  

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ISBN:
9781133187844
Author:
Bronson, Gary J.
Publisher:
Course Technology Ptr