document.write( "Question 278697: 4xsquare + 11x = 20 \n" ); document.write( "

Algebra.Com's Answer #202758 by stanbon(75887) $\"\"$ $\"About$

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4xsquare + 11x = 20
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\n" ); document.write( "4x^2 + 11x - 20 = 0
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\n" ); document.write( "4x^2 + 16x - 5x - 20 = 0
\n" ); document.write( "4x(x+4)-5(x+4) = 0
\n" ); document.write( "(x+4)(4x-5) = 0
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\n" ); document.write( "x = -4 or x = 5/4
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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