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86=k(7+1)(7-15)
We move all terms to the left:
86-(k(7+1)(7-15))=0
We add all the numbers together, and all the variables
-(k8(-8))+86=0
We calculate terms in parentheses: -(k8(-8)), so:
k8(-8)
We multiply parentheses
-8k^8
We do not support ekpression: k^8
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