Question
$\sqrt{8}+2\sqrt{32}-5\sqrt{2}$ is equal to:
✓
Answer
- $5\sqrt{2}$
Solution:
$\sqrt{8}+2\sqrt{32}-5\sqrt{2}$
$\Rightarrow2\sqrt{2}+2\times4\sqrt{2}-5\sqrt{2}$
$\Rightarrow10\sqrt{2}-5\sqrt{2}$
$\Rightarrow5\sqrt{2}$
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