根号24×根号216/根号6+5=64x³+729=0 求x的值（根号2-2根号3）²=
网友回答
√24×√216/√6+5
=2√6×6√6/√6+5
=12√6+5
64x³+729=0
(4x)³=-729
(4x)³=(-9)³
4x=-9x=-9/4
（根号2-2根号3）²
=2-2√2*2√3+12
=14-4√6
======以下答案可供参考======
供参考答案1:
根号24×根号216/根号6+5=根号24×根号36+5=12根号6+5
64x³+729=0 求x的值
x³=-729/64
x=-9/4
（根号2-2根号3）²=
14-4根号6供参考答案2:
6倍根号6+5