document.write( "Question 1083939: The value of polynomial ay²+2y-6 for y=-3 is 15, find a.\r
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Algebra.Com's Answer #697994 by josmiceli(19441) $\"\"$ $\"About$

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$\"+a%2Ay%5E2+%2B+2%2Ay+-+6+\"$
\n" ); document.write( " $\"+y+=+-3+\"$
\n" ); document.write( " $\"+a%2A%28-3%29%5E2+%2B+2%2A%28-3%29+-+6+=+15+\"$
\n" ); document.write( " $\"+9a+-+6+-+6+=+15+\"$
\n" ); document.write( " $\"+9a+=+15+%2B+12+\"$
\n" ); document.write( " $\"+9a+=+27+\"$
\n" ); document.write( " $\"+a+=+3+\"$ \r
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