document.write( "Question 16743: 1.9x^2+3.2x+7.8=0 has the solution? \n" ); document.write( "

Algebra.Com's Answer #8178 by venugopalramana(3286) $\"\"$ $\"About$

You can put this solution on YOUR website!
1.9x^2+3.2x+7.8=0...using formula for roots of a quadratic equation.ax^2+bx+c=0....
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$ we get
\n" ); document.write( " $\"x+=+%28-3.2+%2B-+sqrt%28+3.2%5E2-4%2A1.9%2A7.8+%29%29%2F%282%2A1.9%29+\"$
\n" ); document.write( " $\"x+=+%28-3.2+%2B-+sqrt%28+3.2%2A3.2-4%2A1.9%2A7.8+%29%29%2F%283.8%29+\"$
\n" ); document.write( " $\"x+=+%28-3.2+%2B-+sqrt%28-49%29%29%2F%283.8%29+\"$
\n" ); document.write( " $\"x+=+%28-3.2+%2B-+7i%29%2F%283.8%29+\"$
\n" ); document.write( " x = -(1.6/1.9)+(7/3.8)i OR -(1.6/1.9)-(7/3.8)i \n" ); document.write( "

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