CPM Homework Help : PC3 Problem 2-69

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2-69.

Simplify the following radical expressions.

$\sqrt { 27 m ^ { 11 } n ^ { 8 } }$
Step (a):
$\sqrt{9}\sqrt{3}\sqrt{m^{10}}\sqrt{m}\sqrt{n^8}$

$\sqrt [ 3 ] { 54 a ^ { 12 } b ^ { 16 } }$
Step (b):
$\sqrt[3]{27}\sqrt[3]{2}\sqrt[3]{a^{12}}\sqrt[3]{b^{15}}\sqrt[3]{b}$

$6 \sqrt { x } ( 3 - 2 \sqrt { x } )$
Step (c):
$18\sqrt{x}-12\sqrt{x^2}$

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