document.write( "Question 656761: If x = 3 and y = -1, then 3x2 + 2xy – 5 = ?\" \n" ); document.write( "

Algebra.Com's Answer #409632 by MathLover1(20849) $\"\"$ $\"About$

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If $\"x+=+3\"$ and $\"y+=+-1\"$ , then \r
\n" ); document.write( "\n" ); document.write( " $\"3x%5E2+%2B+2xy+%965\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"3%2A3%5E2+%2B2%2A3%2A%28-1%29%965\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"3%2A9-6-5=27-11\"$ \r
\n" ); document.write( "\n" ); document.write( "= $\"16\"$ \n" ); document.write( "

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