document.write( "Question 761496: solve y=x^2-3 and 4x-y=6 \n" ); document.write( "
Algebra.Com's Answer #463257 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "For this y=x^2-3 and 4x-y=6 let's substitute as follows: \n" ); document.write( "4x-x^2+3=6 \n" ); document.write( "This can be rewritten as: \n" ); document.write( "-x^2+4x+3=6 \n" ); document.write( "Subtract 6: \n" ); document.write( "-x^2+4x-3=0 \n" ); document.write( "Pull out the negative: \n" ); document.write( "-1(x^2-4x+3)=0 \n" ); document.write( "Now we can factor this to be: \n" ); document.write( "-1(x-3)(x-1)=0 \n" ); document.write( "Solve for x: \n" ); document.write( "x=3 \n" ); document.write( "x=1 \n" ); document.write( "Make sense? \n" ); document.write( "RJ \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |