Question

3square root of 18 + 3 square root of 12 + 2square root of 27 =
3√18 + 3√12 + 2√27
= 9√2 + 6√3 + 6√3
= 9√2 + 12√3
-3square root of 2+ 3square root of 20-3square root of 8
18= 2x3x3
12=2x2x3
27=3x3x3
3√2x3x3+3√2x2x3+2√3x3x3
3x3√2+3x2√3+2x3√3
9√2 + 6√3 + 6√3
9√2 + 12√3















-2√20 + 2√18 - 2√5

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