原式=[(x+2)²-16-(x-2)]/(x+2)(x-2)
=(x²+4x+4-16-x+2)/(x+2)(x-2)
=(x²+3x-10)/(x+2)(x-2)
=(x+5)(x-2)/(x+2)(x-2)
=(x+5)/(x+2)
=(√3-2+5)/(√3-2+2)
=(√3-3)/√3
=1-√3
原式=[(x+2)²-16-(x-2)]/(x+2)(x-2)
=(x²+4x+4-16-x+2)/(x+2)(x-2)
=(x²+3x-10)/(x+2)(x-2)
=(x+5)(x-2)/(x+2)(x-2)
=(x+5)/(x+2)
=(√3-2+5)/(√3-2+2)
=(√3-3)/√3
=1-√3