document.write( "Question 1153959: Use the quadratic formula to solve: 7x2 = -12x - 2 \n" ); document.write( "
Algebra.Com's Answer #776303 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"7x%5E2+=+-12x+-+2\"\r
\n" ); document.write( "\n" ); document.write( "\"7x%5E2%2B12x+%2B2=0\"\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+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+12%5E2-4%2A7%2A2+%29%29%2F%282%2A7%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+144-56+%29%29%2F14+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+sqrt%28+88%29%29%2F14+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-12+%2B-+2sqrt%2822%29%29%2F14+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B-+sqrt%2822%29%29%2F7+\" \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+%2B+sqrt%2822%29%29%2F7+\" =>\"x+=+-6%2F7+%2B+sqrt%2822%29%2F7+\" => approximately \"-0.2\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-6+-+sqrt%2822%29%29%2F7+\" =>\"x+=+-6%2F7+-sqrt%2822%29%2F7+\" => approximately \"-1.5\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+7x%5E2%2B12x+%2B2%29+\"\r
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