SOLUTION: (x+7)^(2/3)=9
I got 20 as one solution for x and I know it's correct, but I'm supposed to find a second one as well. please help
^(2/3) means *to the power of 2/3* in case that
Algebra.Com
Question 577833: (x+7)^(2/3)=9
I got 20 as one solution for x and I know it's correct, but I'm supposed to find a second one as well. please help
^(2/3) means *to the power of 2/3* in case that was confusing
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
x = 20
-----------
x+7 = -27
x = -34
RELATED QUESTIONS
Here is my problem.
[SQRT(x + 7)] - 2[SQRT(x)] =-2
OR
√(x + 7) -... (answered by lwsshak3,MathTherapy,greenestamps)
My teacher gave us homework for tonight and I understand all but one question of it. Im... (answered by Alan3354,lwsshak3)
Given the following augmented matrix in row-reduced form, assume that it is equivalent to (answered by greenestamps,ikleyn)
Its been a while since I have done functions, so I'm a little confused on this one.
if... (answered by rothauserc)
Which of these equations are equivalent to 16?
3[7x-4(x-3)]+1=16
A:9x-2=16... (answered by richwmiller)
Expand (s-3v)^5
I got the solution s^5-15s^4v+90s^3v^2-270s^2v^3+405sv^4-243v^5 which I... (answered by jim_thompson5910,richwmiller,KMST)
Three probelms, two I think I got correct and one I know I didn't.... (answered by edjones)
I have a few problems with a worksheet I am doing, that do not understand can you please... (answered by Alan3354,JBarnum)
ok so i thought i understood this radical stuff so i need you to explain things in lamen... (answered by longjonsilver)