Question 471110
1. sqrt x^9z^2/18y^5
What terms are under the radical?
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2. 2 sqrt x-3/sqrt x+5
{{{2sqrt(x-3)/sqrt(x+5)}}} I think you mean
You didn't say what you want to do, I'll guess simplify.
= {{{2sqrt((x-3)*(x+5))/(x+5)}}}
= {{{2sqrt(x^2 + 2x - 15))/(x+5)}}}
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3. (2^3 sqrt 40+^3 sqrt 48)(6^3 sqrt 4-^3 sqrt 32)
I don't know what 40+^3 means, or 4-^3
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4. (x+4)^3
= {{{x^3 + 12x^2 + 48x + 64}}}