document.write( "Question 100596: SQUARING AND SUBSTITUTION\r
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Algebra.Com's Answer #73355 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
4M-5=-8sqrt(M) ... squaring gives 16M^2-40M+25=64M\r
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\n" ); document.write( "\n" ); document.write( "16M^2-104M+25=0 ... \"M=%28104+%2B-+sqrt%28%28-104%29%5E2-4%2A16%2A25%29%29%2F%282%2A16%29\" ... \"M=%28104+%2B-+sqrt%289216%29%29%2F32\"\r
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\n" ); document.write( "\n" ); document.write( "M=25/4 and M=1/4 ... sqrt can be +-
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