document.write( "Question 678390: I have 2 numbers.The product of the two numbers equals 175.The sum of the two numbers is equal to 40.What are the two numbers? \n" ); document.write( "
Algebra.Com's Answer #421451 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! XY=175 \n" ); document.write( "X+Y=40 \n" ); document.write( "X=40-Y REPLACE X IN THE FIRST EQUATION BY(40-Y). \n" ); document.write( "(40-Y)Y=175 \n" ); document.write( "40Y-Y^2=175 \n" ); document.write( "Y^2-40Y+175=0 \n" ); document.write( "(y-35)(y-5)=0 \n" ); document.write( "y-35=0 \n" ); document.write( "y=35 ans. \n" ); document.write( "y-5=0 \n" ); document.write( "y=5 ans. \n" ); document.write( "x*35=175 \n" ); document.write( "x=175/35=5 ans. when y=35. \n" ); document.write( "x*5=175 \n" ); document.write( "x=175/5=35 ans. when y=5. \n" ); document.write( " \n" ); document.write( " |