SOLUTION: Really need help with this one.
Solve the equation.
^3 sqrt(x^2) = 4
Algebra.Com
Question 63923: Really need help with this one.
Solve the equation.
^3 sqrt(x^2) = 4
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
I don't really know what you mean. What did you mean by ^3? Did you mean the third root of x^2? If so, this is what you do.
Solve the equation.
3rd rt(x^2) = 4
(3rd rt(x^2))^3=4^3
x^2=64
x=+\-8
:
Check for extraneous solutions:
3rd rt((8)^2)=4
3rd rt (64)=4
4=4 x=8 checks out.
3rd rt((-8)^2)=4
3rd rt(64)=4
4=4 x=-8 also checks out.
Happy Calculating!!!
RELATED QUESTIONS
I really need help with this one..........Write the proportions as an equation of cross... (answered by solver91311)
Solve the equation... (answered by Alan3354)
x sqrt 3 -2=5x sqrt 3
I am having a mental problem and need help with this one
(answered by mananth)
I need help solving this problem.
Solve the equation:... (answered by Alan3354)
I need help on Rationalizing the denominator and simplifying this equation.
3 sqrt(6)+5... (answered by stanbon)
Solve the equation: 3/(x+1) - 1/x = 1/2. REALLY NEED HELP!... (answered by Alan3354)
x/3 +2= x/2
I'm not sure how to solve with x on both sides of the equation. I really... (answered by lwsshak3,josgarithmetic)
Im stuck on a few problems and REALLY need help asap Id appreciate it.
Rewrite the... (answered by josmiceli)
I really need your help, I tried this and keep coming up with the wrong answer.------->... (answered by linh117)