SOLUTION: If x = 3 and y = -1, then 3x2 + 2xy – 5 = ?"

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Question 656761: If x = 3 and y = -1, then 3x2 + 2xy – 5 = ?"
Found 2 solutions by rfer, MathLover1:
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3*3^2+2*3*-1-5=
27-6-5=16

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
If x+=+3 and y+=+-1, then
3x%5E2+%2B+2xy+%965
=3%2A3%5E2+%2B2%2A3%2A%28-1%29%965
=3%2A9-6-5=27-11
=16