Add and Subtract Radicals Quick Check

Math 8 Q2 (Pre-Algebra) / Roots and Irrational Numbers

add 3 square root 21 + 7 square root 21

10 square root 21
10 square root 42
square root 52
square root 24 + square root 28

what is the answer

1 answer

The answer is: square root 52

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