OpenStudy (anonymous):

Find the solution of 3 square root of x+5=-9 these are the anser choices: x = 4; not extraneous x = 4; extraneous x = 0; extraneous x = 0; not extraneous

4 years ago
OpenStudy (dls):

can you write the q in a better way perhaps?

4 years ago
OpenStudy (anonymous):

$\sqrt[3]{2}$

4 years ago
OpenStudy (anonymous):

4 years ago
OpenStudy (anonymous):

$\sqrt[3]{x2}$

4 years ago
OpenStudy (anonymous):

omgsorry i messed up

4 years ago
OpenStudy (anonymous):

hold up i got it

4 years ago
OpenStudy (dls):

$\LARGE 3 \sqrt {x+5} = -9$ ?

4 years ago
OpenStudy (anonymous):

3$3\sqrt{x+5=-9}$

4 years ago
OpenStudy (anonymous):

yeah thats it! sorry im new to this

4 years ago
OpenStudy (dls):

the question is wrong..sqrt always gives a +ve number..how can RHS be negative still..square both the sides $\LARGE 9 (x+5) = 81 = x+5 = 9 => x=4$ but that doesn't satify the equation..it does if RHS = + 9

4 years ago
OpenStudy (anonymous):

thats what the question said

4 years ago
OpenStudy (dls):