document.write( "Question 1129770: Solve by factoring
\n" ); document.write( " $\"15y%5E2%2B15-50y%2B20=0\"$ \n" ); document.write( "

Algebra.Com's Answer #746374 by 4198181(13) $\"\"$ $\"About$

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$\"15y%5E2-50y%2B35=0\"$
\n" ); document.write( " $\"5%283y%5E2-10y%2B7%29=0\"$
\n" ); document.write( "Use the a c method
\n" ); document.write( "What 2 numbers have a sum of ac and add to equal b?
\n" ); document.write( "ac=21
\n" ); document.write( "b=-10
\n" ); document.write( "-7,-3
\n" ); document.write( "Then put the 2 numbers over c and simplify if possible.
\n" ); document.write( " $\"-7%2F7\"$ , $\"-3%2F7\"$
\n" ); document.write( "-1, $\"-3%2F7\"$
\n" ); document.write( "Put it into the equation and remember to always bring the negative to the middle,
\n" ); document.write( "5[(1y-1) (3y-7)]=0
\n" ); document.write( "1y-1=0, y=1
\n" ); document.write( "3y-7=0, 3y=7, y= $\"7%2F3\"$
\n" ); document.write( "So the answer is
\n" ); document.write( "y=1 and y= $\"7%2F3\"$ \n" ); document.write( "

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