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03.12.2020 •
Mathematics
Simplifying radicals! Please help me & Show WORK
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Ответ:
Solving the radical
we get ![\mathbf{-16\sqrt{30}+72}](/tpl/images/0945/2168/2e1a6.png)
Step-by-step explanation:
We need to simplify the radical:![4\sqrt{2}(-4\sqrt{15}+3\sqrt{18})](/tpl/images/0945/2168/4d5cd.png)
Prime factors of 18 are: 2x3x3
Replacing
with its factors
We know that![\sqrt{3^2}=3](/tpl/images/0945/2168/44a9c.png)
Multiplying
with terms inside the bracket
We know that![\sqrt{2} \sqrt{2}=2](/tpl/images/0945/2168/0fdbc.png)
So, solving the radical
we get ![\mathbf{-16\sqrt{30}+72}](/tpl/images/0945/2168/2e1a6.png)
Ответ:
38 ft
Step-by-step explanation:
your welcome