(10) $$ \sqrt{144}+\sqrt[3]{27}-\sqrt{28} $$

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Calculate or simplify the expression $$ \sqrt{144}+\sqrt[3]{27}-\sqrt{28} $$.
Calculate the value by following steps:
- step0: Calculate:
  $$\sqrt{144}+\sqrt[3]{27}-\sqrt{28}$$
- step1: Simplify the root:
  $$12+\sqrt[3]{27}-\sqrt{28}$$
- step2: Simplify the root:
  $$12+3-\sqrt{28}$$
- step3: Simplify the root:
  $$12+3-2\sqrt{7}$$
- step4: Add the numbers:
  $$15-2\sqrt{7}$$
The simplified form of $$ \sqrt{144}+\sqrt[3]{27}-\sqrt{28} $$ is $$ 15-2\sqrt{7} $$ or approximately $$ 9.708497 $$.
$$ 15 - 2\sqrt{7} $$

(10)

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