document.write( "Question 163139This question is from textbook Elementary and Intermediate
\n" ); document.write( ": (2x-1)(3x+5)=5\r
\n" ); document.write( "\n" ); document.write( "The answer it shows is -2, 5/6 I am not sure how they got this answer? \n" ); document.write( "

Algebra.Com's Answer #120216 by jojo14344(1513) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"%282x-1%29%283x%2B5%29=5\"$
\n" ); document.write( "expand,(multiply)
\n" ); document.write( " $\"6x%5E2-3x%2B10x-5-5=0\"$
\n" ); document.write( " $\"6x%5E2%2B7x-10=0\"$
\n" ); document.write( "Remember ---- $\"system%28a=6%2Cb=7%2Cc=-10%29\"$
\n" ); document.write( "By Quadratic:
\n" ); document.write( " $\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"$
\n" ); document.write( " $\"x=%28-7%2B-sqrt%287%5E2-4%2A6%2A-10%29%29%2F%282%2A6%29\"$
\n" ); document.write( " $\"x=%28-7%2B-sqrt%2849%2B240%29%29%2F12\"$
\n" ); document.write( " $\"x=%28-7%2B-sqrt%28289%29%29%2F12=%28-7%2B-17%29%2F12\"$
\n" ); document.write( "2 values:
\n" ); document.write( " $\"x=%28-7%2B17%29%2F12=10%2F12=highlight%285%2F6%29\"$
\n" ); document.write( " $\"x=%28-7-17%29%2F12=-24%2F12=highlight%28-2%29\"$
\n" ); document.write( "As it was shown right?
\n" ); document.write( "Thank you,
\n" ); document.write( "Jojo\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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