document.write( "Question 372487: I need to use quadratic equations to find two real numbers that satisfy the sum of 15 and the product 36 \n" ); document.write( "
Algebra.Com's Answer #265309 by mananth(16946) You can put this solution on YOUR website! x+y =15 \n" ); document.write( "xy = 36 \n" ); document.write( "x= 36/y \n" ); document.write( ".. \n" ); document.write( "plug value of x in the first equation \n" ); document.write( "36/y +y =15 \n" ); document.write( "(36+y^2)/y =15 \n" ); document.write( "36+y^2 =15y \n" ); document.write( "y^2-15y+36=0 \n" ); document.write( "... \n" ); document.write( "y^2-12x-3x+36=0 \n" ); document.write( "y(y-12)-3(y-12)=0 \n" ); document.write( "(y-12)(y-3)=0 \n" ); document.write( "y =12 OR y =3 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |