Question

10+2√21 simplify
please guys tell me fast!​

Answer 1

$10 + 2 \sqrt{21} \\ =2(5 + \sqrt{21})$

In the following steps the 1 and 2 step can both be said in simplied form

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Answer 2

Answer:

10+2√21

12√21

√21×144

√3024

54.990......