Question 64813
SQRT(2-3)/SQRT(3-7)
SQRT-1/SQRT-4
1i/2i
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DON'T UNDERSTAND THIS PROBLEM
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(2M-5)^2=-49
4M^2-20M+25=-49
4M^2-20M+25+49=0
4M^2-20M+74
FORMULA{{{X=(20+-SQRT(-20^2-4*4*74))/(2*4)}}}
=(20+-SQRT(400-1184))/8 
=(20+-sqrt-784)/8
=(20+-28i)/8
=(20/8+-28i)/8
=2.5+-3.5i
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MERRY CHRISTMAS