solve the quadratic equation m square ‐2m ‐ 1 =0 by method of completing square method
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M^2-2m-1=0
2^2-2*2-1=0
4-4-1=0
-5+4=0
-1=9
2^2-2*2-1=0
4-4-1=0
-5+4=0
-1=9
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