Question

упростите выражение
√5×√3×√12-√20

Answer 1

1) √5*√3*√12=√180=√9*20=3√20
2) 3√20-√20=2√20=4√5

Answer 2

√5×√3×√12-√20=√180-2√5=6√5-2√5=4√5