SOLUTION: Solve equation, check answer. root 3√(z+1)= -3

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Question 427540: Solve equation, check answer.
root 3√(z+1)= -3
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!
root+%283%2C%28z%2B1%29%29=+-3

%28root+%283%2C%28z%2B1%29%29%29%5E3=+%28-3%29%5E3
z%2B1=+-27
z=+-27-1
z=+-28

root+%283%2C%28-28%2B1%29%29=+-3

root+%283%2C%28-27%29%29=+-3

check:
root+%283%2C%28%28-3%29%5E3%29%29=+-3....cancel root 3 and power 3
-3=+-3