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OpenStudy (anonymous):
How do you factor and simplify the algebraic expression:
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OpenStudy (anonymous):
\[(x+9)^{1/4}+(x+9)^{3/4}\]
OpenStudy (valpey):
\[\text{Let }A = (x+9)^{1/4}\]Then you just have to factor:\[A+A^3\]
OpenStudy (anonymous):
What happened to the fractions?
OpenStudy (valpey):
If \[A = Z^{1/4}\]Then \[A^3 = Z^{3/4}\]
OpenStudy (anonymous):
I don't understand
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OpenStudy (valpey):
Okay, do you agree that:\[x^{1/4}*x^{1/4}*x^{1/4}=x^{3/4}\]
OpenStudy (anonymous):
YES
OpenStudy (anonymous):
Oops, caps, sorry about that.
OpenStudy (precal):
do you have your final answer?
OpenStudy (anonymous):
No, I don't understand how to find it.
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OpenStudy (precal):
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