SOLUTION: what are the two answers for this problem x^3+512=0
Algebra.Com
Question 503629: what are the two answers for this problem x^3+512=0
Answer by oberobic(2304) (Show Source): You can put this solution on YOUR website!
x^3 = -512
x = (-512)^(1/3) the cube root of -512.
.
x = -8
.
Always check your answer:
-8 * -8 = 64
-8 * 64 = -512
Correct.
.
Answer: -8 is the answer. There is no second answer.
.
Done.
RELATED QUESTIONS
Solve the equation by making an appropriate substitution.
x-512-16sqrtx=0
here is what... (answered by Earlsdon)
Solve by completing the square. x^2 -14x +49 = 0
I came up with the answer of 7, 7 for... (answered by checkley75)
I keep getting two different answers for this problem..Please help.
Find the indicated (answered by stanbon)
Solve. 2|3(x - 5)| + 3 = 9
There are two possible answers, and I'm unsure of what I'm (answered by algebrahouse.com,josgarithmetic)
find all solutions... (answered by Alan3354)
I am finding the coordinates for the x- and y- intercepts.I need help working this... (answered by scott8148)
How do I do this problem? There are suppose to be two answers.
(x/x-3)-(2/x+8)=(78/x^2 (answered by lynnlo)
x^6 - 511x^3-512 = 0
find all real solutions of the equation.
hi, im having trouble (answered by richard1234,Earlsdon)
what are the answers for the equation... (answered by nerdybill,richard1234)