a and b two consecutive negative integers and a^2-b^2=91 find the value of a+b
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let a and b are the numbers from the given condition a^2-b^2 and a,b are negative integers
we conclude that b be the larger one
so b-a =1
given
a^2-b^2=91
(a+b)(a-b)=91
-(a+b)(b-a)=91
(a-b)= -91
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