Monday, June 24, 2013

simplify: -3/5[2/3-1/2(3/4-1/2)]

-3/5[2/3-1/2(3/4-1/2)]= 
(-3/5)(2/3)-(-3/5)(1/2)(3/4-1/2)= 
-2/5+(3/10)(1/4)= 
-2/5+3/40= 
-16/40+3/40= 
-13/40
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