Question Simplify the expression a2+b2+c2+2ab−2ac−2bc Evaluate (a+b−c)2Use (a+b+c)2=a2+b2+c2+2ab+2ac+2bc to expand the expression a2+b2+(−c)2+2ab+2a(−c)+2b(−c)Calculate a2+b2+c2+2ab+2a(−c)+2b(−c)Multiply the numbers a2+b2+c2+2ab−2ac+2b(−c)Solution a2+b2+c2+2ab−2ac−2bc Show Solution
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