Write a pair of integers whose product is 15 and whose difference is 8.
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let the integers be x,y xy=15,x-y=8 x=8+y y(y+8)=15 y^{2}+8y=15 on solving quadratic equ roots will be -3,-5 x+5 =8 x=3 xy =15 ,x-y= 8
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