(2√3+√6)(3√2-1)请作答,冰解释理由.

问题描述:

(2√3+√6)(3√2-1)请作答,冰解释理由.

(2√3+√6)(3√2-1)
=2√3x3√2+2√3x(-1)+√6x3√2+√6x(-1)
=2x3x√(3x2)-2√3+3√(6x2)-√6
=6√6-2√3+3√(3x2²)-√6
=(6-1)√6-2√3+3x2√3
=5√6+(-2+6)x√3
=5√6+4√3