document.write( "Question 470957: what do I need to do to solve problem written find two numbers whose product is 7 and whose sum is 8 \n" ); document.write( "

Algebra.Com's Answer #323026 by lwsshak3(11628) $\"\"$ $\"About$

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what do I need to do to solve problem written find two numbers whose product is 7 and whose sum is 8
\n" ); document.write( "**
\n" ); document.write( "let x= one of the numbers
\n" ); document.write( "let y= other number
\n" ); document.write( "..
\n" ); document.write( "x+y=8
\n" ); document.write( "y=8-x
\n" ); document.write( "x*y=7
\n" ); document.write( "x(8-x)=7
\n" ); document.write( "8x-x^2=7
\n" ); document.write( "x^2-8x+7=0
\n" ); document.write( "(x-7)(x-1)=0
\n" ); document.write( "x=7
\n" ); document.write( "and
\n" ); document.write( "x=1
\n" ); document.write( "ans:
\n" ); document.write( "The numbers are 1 and 7 \n" ); document.write( "

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