document.write( "Question 1067958: Quadratic Equations: Find real Solutions, show work.
\n" ); document.write( "(2-y)^4=3(2-y)^2+1
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Algebra.Com's Answer #683140 by t0hierry(194) $\"\"$ $\"About$

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Change variable x = (2 -y)^2\r
\n" ); document.write( "\n" ); document.write( "The equation becomes\r
\n" ); document.write( "\n" ); document.write( "x^2 - 3x - 1 = 0\r
\n" ); document.write( "\n" ); document.write( "whose solutions are \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+3%2F2+%2B_+sqrt%2813%29%2F2\"$
\n" ); document.write( " $\"2+-+y+=+%2B_+sqrt%5B%283+%2B_+sqrt%2813%29%291%2F2%5D\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"y+=+2+%2B_+sqrt%5B%283+%2B_+sqrt%2813%29%291%2F2%5D\"$
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