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It works without substitutions and three variables: factor out (43+23)/(43+20) and divide, the rest is (43sqared+23squared+20squared)/(43sqared+23squared+20squared=)=1 details available
Stop rewriting the question again. It's pure waste of time
It’s really annoying 😮
It works without substitutions and three variables: factor out (43+23)/(43+20) and divide, the rest is (43sqared+23squared+20squared)/(43sqared+23squared+20squared=)=1 details available
Stop rewriting the question again. It's pure waste of time
It’s really annoying 😮