SOLUTION: What is (x+5)^3+8=0?
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Question 504178: What is (x+5)^3+8=0?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
What is (x+5)^3 + 8 = 0
Subtract 8 from both sides
(x+5)^3 = -8
Find the cube root of both sides
x + 5 = -2
x = -2 - 5
x = -7
:
:
Check solution in original problem
(-7+5)^3 + 8 = 0
(-2)^3 + 8 = 0
-8 + 8 = 0; confirms our solution of x=-7
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