Question

simplify the sum or difference: 3sqrt7 - sqrt63

Answer 1

[AI-generated answer — Bot]

3sqrt7 - sqrt63 can be simplified as follows:

3sqrt7 - sqrt(9 * 7)
= 3sqrt7 - 3sqrt7
+ 3sqrt7 - 3sqrt(7)
= 3sqrt7 - 3sqrt(7)
= 0