1.5√72 = 1.5 6√2 = 9√2√216 = 6√60.6√450 = 0.6 15√2 = 9√20.5√96 = 0.5 * 4√6 = 2√6
Therefore,1.5√72 - √216 - 0.6√450 + 0.5√96 = 9√2 - 6√6 - 9√2 + 2√6= 2√6 - 6√6= -4√6.
1.5√72 = 1.5 6√2 = 9√2
√216 = 6√6
0.6√450 = 0.6 15√2 = 9√2
0.5√96 = 0.5 * 4√6 = 2√6
Therefore,
1.5√72 - √216 - 0.6√450 + 0.5√96 = 9√2 - 6√6 - 9√2 + 2√6
= 2√6 - 6√6
= -4√6.