Answer
$29\sqrt {2}$
Work Step by Step
$4\sqrt {32}-\sqrt {18}+2\sqrt {128}$ Factor.
$4\sqrt {16}\cdot\sqrt {2}-\sqrt {9}\cdot\sqrt2+2\sqrt{64}\cdot\sqrt{2}$ Use the product rule and simplify.
$16\sqrt {2}-3\sqrt {2}+16\sqrt2$ Combine like radicals.
$29\sqrt {2}$