a+b=12 ab=23 then find the value of a-b?
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Answer:
a+b=12
a=12-b
ab=23
(12-b)*b=23
12b-b^2=23
b^2-12b=-23
b(b-12)=23
b=23 0r b-12=23
b=23+12
b=35
if b=23
a+23=12
a=12-23
a=-11
a-b=-11-23=-35
if b=35
a+35=12
a=12-35
a=-23
a-b=-23-35=-58
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