81=(x-8)3

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Solution for 81=(x-8)3 equation:



81=(x-8)3
We move all terms to the left:
81-((x-8)3)=0
We calculate terms in parentheses: -((x-8)3), so:
(x-8)3
We multiply parentheses
3x-24
Back to the equation:
-(3x-24)
We get rid of parentheses
-3x+24+81=0
We add all the numbers together, and all the variables
-3x+105=0
We move all terms containing x to the left, all other terms to the right
-3x=-105
x=-105/-3
x=+35

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