please solve answer 16 points
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Step-by-step explanation:
Let the three numbers are:
(a-d),a,(a+d)
By first condition,
a-d+a+a+d=-3
3a=-3
a=-1
By second condition,
a-d×a×a+d=8
a cube -a d square=8
(-1) cube-(-1) d square-1=8
-1+d square=8
d square=8+1
d square=9
so,d=3 or -3
but -3 does not satisfy the given conditions
Hence,
The difference is 3.
I hope it helps.....