Question

2√21+6 how to calculate it in roots form

Answer 1

20 is this answer please

Coment me this anser is wrong and correct

Answer 2

GIVEN

2√21+6

TO FIND

roots form

SOLUTION

$2 \sqrt{21 + 6 } \\ \\ 2 \sqrt{27} \\ \\ \sqrt{27 \times 4} \\ \\ \sqrt{108 - 8 + 8} \\ \\ \sqrt{100 + 8} \\ \\ \sqrt{100} + \sqrt{8} \\ \\ 10 + \sqrt{4 \times 2} \\ \\ 10 + 2 \sqrt{2} \\ \\ 12 \sqrt{2}$

ANSWERS

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