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document.write( "I think of a number, add 6 then multiply this answer by itself. My answer is 64. What number did I start with? \n" );
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Algebra.Com's Answer #510637 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! (X+6)^2=64 \n" ); document.write( "X^2+12X+36=64 \n" ); document.write( "X^2+12X+36-64=0 \n" ); document.write( "X^2+12X-28=0 \n" ); document.write( "(X+14)(X-2)=0 \n" ); document.write( "X+14=0 \n" ); document.write( "X=-14 ANS \n" ); document.write( "X-2=0 \n" ); document.write( "X=2 ANS \n" ); document.write( "PROOF: \n" ); document.write( "(-14+6)^2=64 \n" ); document.write( "-8^2=64 \n" ); document.write( "64=64 \n" ); document.write( "(2+6)^2=64 \n" ); document.write( "8^2=64 \n" ); document.write( "64=64 \n" ); document.write( " |