document.write( "Question 983928: The square of x is equal to 4 times the square of y. If x is 1 more than twice y, what is the value of x?\r
\n" ); document.write( "\n" ); document.write( "Is this right?
\n" ); document.write( "X^2=4y^2
\n" ); document.write( "X=2y+1\r
\n" ); document.write( "\n" ); document.write( "(2y+1)^2=(2y)^2
\n" ); document.write( "2y+1=2y\r
\n" ); document.write( "\n" ); document.write( "Why can't I take a square root of both side at this point?
\n" ); document.write( "The correct answer is 1/2. \r
\n" ); document.write( "\n" ); document.write( "Help would be greatly appreciated! Thanks a lot!
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Algebra.Com's Answer #604713 by macston(5194)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\"x=2y%2B1\"
\n" ); document.write( ".
\n" ); document.write( "\"x%5E2=4y%5E2\"
\n" ); document.write( "\"x=2y\" \"OR\" \"x=-2y\"
\n" ); document.write( "\"2y%2B1=2y\" \"OR\" \"2y%2B1=-2y\"
\n" ); document.write( "\"1=0\" \"OR\" \"4y%2B1=0\" Since 1 does not equal 0:
\n" ); document.write( "\"4y=-1\"
\n" ); document.write( "\"y=-1%2F4\"
\n" ); document.write( ".
\n" ); document.write( "\"x=2y%2B1\"
\n" ); document.write( "\"x=2%28-1%2F4%29%2B1\"
\n" ); document.write( "\"x=%28-1%2F2%29%2B1\"
\n" ); document.write( "\"x=1%2F2\"
\n" ); document.write( "Remember to consider both positive and negative cases when taking square roots.
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