Question

Simplify. 3 square root of 10 end root plus 7 square root of 15 end root minus 6 square root of 10 end root minus 4 square root of 15

3 square root of 10 end root minus 3 square root of 15
3 square root of 15 end root minus 3 square root of 10
3 square root of 30 end root minus 3 square root of 20
3 square root of 20 end root minus 3 square root of 30
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Simplify. 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2

2 square root of 8
8 square root of 2
8 square root of 6
6 square root of 8

Answer 1

42√+72√−32√
2√ (4+7−3)
2√ (8)
So, 82√