document.write( "Question 1049390: solve the equation if possible:
\n" ); document.write( "2x +7*sqr(x) = 4 \n" ); document.write( "
Algebra.Com's Answer #664927 by rothauserc(4718)\"\" \"About 
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2x +7*sqr(x) = 4
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\n" ); document.write( "7 * sqrt(x) = 4 - 2x
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\n" ); document.write( "square both sides of =
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\n" ); document.write( "49x = 16 -16x + 4x^2
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\n" ); document.write( "4x^2 -65x +16 = 0
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\n" ); document.write( "using quadratic formula, the discriminant is + or - 63
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\n" ); document.write( "x = (-(-65) + 63) / (2 * 4) = 16
\n" ); document.write( "x = (-(-65) - 63) / (2 * 4) = 1/4 = 0.25
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