Question

simplified 2 root 3 + root 5 x 2 root 3 minus root 5​

Answer 1

2√3+√5×2√3-√5

2√4+2√15-√5

Answer 2

2√3+√5*2√3-√5

cut √5 as they are in + and -

so, 2√3*2√3

4*3=12