Question

Reduce:
s=2(1+√3)²-(2+√3)²

Answer 1

s=2(1+√3)²-(2+√3)²s=2(1+2(1)(√3)+3)-(4+2(2)(√3)+3)
s=2(1+2√3+3)-(4+4√3+3)
s=8+4√3-(7+4√3)
s=8+4√3-7-4√3
S=1