document.write( "Question 490229: solve for x
\n" ); document.write( "5x^2=-14x-8\r
\n" ); document.write( "\n" ); document.write( "Do I have to subtract 5x^2 from both sides giving me 0=-5x^2-14x-8?
\n" ); document.write( "Then what do I do?
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Algebra.Com's Answer #333940 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "you can do this : \"0=-5x%5E2-14x-8\" and than use quadratic formula to solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "since you dealing with negative signs in this case, I suggest you do it this way: move both terms from the right to the left side\r
\n" ); document.write( "\n" ); document.write( "\"5x%5E2=-14x-8\"\r
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\n" ); document.write( "\n" ); document.write( "\"5x%5E2%2B14x%2B8=0\"....now use quadratic formula to solve for \"x\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"...note \"a=5\", \"b=14\" and \"c=8\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-14+%2B-+sqrt%28+14%5E2-4%2A5%2A8+%29%29%2F%282%2A5%29+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-14+%2B-+sqrt%28+196-160+%29%29%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-14+%2B-+sqrt%28+36+%29%29%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-14+%2B-+6%29%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-14+%2B+6%29%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-8%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-4%2F5+\"\r
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\n" ); document.write( "\n" ); document.write( "or\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-14+-+6%29%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-20%2F10+\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+-2+\"\r
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\n" ); document.write( "\n" ); document.write( "let's check it on a graph:\r
\n" ); document.write( "\n" ); document.write( "\"+graph%28+500%2C500%2C+-5%2C+5%2C+-10%2C+10%2C5x%5E2%2B14x%2B8%29+\"\r
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