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What is 5 square root28 plus square root 63 in simplest radical form

What is 5 square root28 plus square root 63 in simplest radical form
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What is 5 square root28 plus square root 63 in simplest radical form

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User Buru
by
7.6k points

1 Answer

3 votes

Answer:

13√7

Explanation:


5√(28) +√(63) =5√(2^2\cdot 7)+√(3^2\cdot 7)\\\\=5\cdot 2√(7)+3√(7)=(10+3)√(7)\\\\=\boxed{13√(7)}

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User Pierre Chevallier
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