Question

muliply 3√12 x 7 √15 and write ans in simplest form

Answer 1

√12 = 2√3 , √15 = √3*√5
now
3√12 * 7√15
3*2√3 * 7√3*√5
3*2*3*7*√5
126√5

Answer 2

here the answer
3×2√3×7×√3×√5
=3×2×3×7√5
=126×√5