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

asked Jul 24, 2021 60.4k views

4 votes

by Buru

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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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