document.write( "Question 678301: can you please help me with this?\r
\n" ); document.write( "\n" ); document.write( "25c^2 + 5c - 42\r
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Algebra.Com's Answer #421262 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( " $\"25c%5E2+%2B+5c+-42\"$ ......replace $\"5c\"$ with $\"-30c%2B35c\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"25c%5E2+-30c%2B35c+-42\"$ .........group\r
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\n" ); document.write( "\n" ); document.write( " $\"%2825c%5E2+-30c%29%2B%2835c+-42%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"5c%285c+-6%29%2B7%285c+-6%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%285c%2B7%29%285c+-6%29\"$ ....now you can set expression equal to zero an find solutions for $\"c\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%285c%2B7%29%285c+-6%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "if $\"5c%2B7=0\"$ .....=>.... $\"5c=-7\"$ ...=>.... $\"c=-7%2F5\"$ \r
\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "if $\"5c+-6=0\"$ .....=>.... $\"5c=6\"$ ...=>.... $\"c=6%2F5\"$ \r
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