Question

√125 + 2√27 -20+3 √12

Answer 1

√5².5+2√3².3-20+3√2².3=
5√5+2.3√3-20+3.2√3=
5√5+6√3-20+6√3=
juntando os semelhantes
6√3+6√3+5√5-20=
12√3+5√5-20