document.write( "Question 458365: Given that p and q are the roots of the quadratic equation 2x^2+2px=q^2,if p-q=6 find the value of pq,thanks~~ \n" ); document.write( "

Algebra.Com's Answer #314456 by josmiceli(19441) $\"\"$ $\"About$

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$\"+2x%5E2+%2B+2px+=+q%5E2+\"$
\n" ); document.write( " $\"+x%5E2+%2B+px+-+%281%2F2%29%2Aq%5E2+=+0+\"$
\n" ); document.write( "The roots are $\"p\"$ , and $\"q\"$
\n" ); document.write( " $\"+%28+x+-+p+%29%2A%28+x+-+q+%29+=+x%5E2+-+%28p+%2B+q%29%2Ax+%2B+p%2Aq+\"$
\n" ); document.write( " $\"++x%5E2+-+%28p+%2B+q%29%2Ax+%2B+p%2Aq+=++x%5E2+%2B+px+-+%281%2F2%29%2Aq%5E2+\"$
\n" ); document.write( " $\"+p+=+-+%28p+%2B+q%29+\"$
\n" ); document.write( " $\"+-%281%2F2%29%2Aq%5E2+=+p%2Aq+\"$ \r
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