(2+sqrt3)(-1+sqrt3)(2+√3)(−1+√3)
color(white)(aaaaaaaaaaaaaaa)aaaaaaaaaaaaaaa2+sqrt 32+√3
color(white)(aaaaaaaaaaa)aaaaaaaaaaa xx underline(-1+sqrt3)
color(white)(aaaaaaaaaaaaa)-2-sqrt3
color(white)(aaaaaaaaaaaaaaaaa)2sqrt3+3
color(white)(aaaaaaaaaaaaa)overline(-2+sqrt 3+3)
color(white)(aaaaaaaaaaaaa)color(magenta)(1+sqrt 3