document.write( "Question 67221This question is from textbook Advanced mathematics
\n" ); document.write( ": Write the quadratic equation with a lead coefficient of 1 whose roots are 2+ square root of 5 and 2- the square root of 5. \n" ); document.write( "

Algebra.Com's Answer #47788 by Nate(3500) $\"\"$ $\"About$

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(x - (2 + sqrt(5))*(x - (2 - sqrt(5))
\n" ); document.write( "(x - 2 - sqrt(5))*(x - 2 + sqrt(5))
\n" ); document.write( "x^2 - 2x - sqrt(5)x - 2x + 4 + sqrt(5)2 + sqrt(5)x - sqrt(5)2 - 5
\n" ); document.write( "x^2 - 4x - 1 = f(x)
\n" ); document.write( " $\"graph%28300%2C300%2C-4%2C7%2C-10%2C10%2Cx%5E2+-+4x+-+1%29\"$ \n" ); document.write( "

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