document.write( "Question 1119605: Factoring:
\n" ); document.write( "(ax+3y)^2-(1-6a)(x^2+y^2)+(3x-ay)^2 \n" ); document.write( "

Algebra.Com's Answer #735652 by Fombitz(32388) $\"\"$ $\"About$

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$\"%28ax%2B3y%29%5E2=a%5E2x%5E2%2B6axy%2B9y%5E2\"$
\n" ); document.write( " $\"%283x-ay%29%5E2=9x%5E2-6axy%2Ba%5E2y%5E2\"$
\n" ); document.write( "So,
\n" ); document.write( " $\"%28ax%2B3y%29%5E2%2B%283x-ay%29%5E2=a%5E2x%5E2%2B6axy%2B9y%5E2%2B9x%5E2-6axy%2Ba%5E2y%5E2\"$
\n" ); document.write( " $\"%28ax%2B3y%29%5E2%2B%283x-ay%29%5E2=%28a%5E2%2B9%29x%5E2%2B6axy%2B%289%2Ba%5E2%29y%5E2\"$
\n" ); document.write( " $\"%28ax%2B3y%29%5E2%2B%283x-ay%29%5E2+=+%28a%5E2%2B9%29%28x%5E2%2By%5E2%29+\"$
\n" ); document.write( "So then,
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\n" ); document.write( "Substituting,
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