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OpenStudy (anonymous):
Simplify the following SUBTRACTION of radicals expression.
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OpenStudy (anonymous):
\[5\sqrt{9a ^{3}}-6a \sqrt{a}\]
OpenStudy (anonymous):
5*3*rootacubed-6aroota. Then the root a cubed can be rewritten as root a^2*a =a root a. now you have 15a root a - 6a root a which equals 9a root a. Ans. = 9A*sqrt(a)
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