multiply
6sqrt25x^3*sqrt4x^3
simplifying radicands first:
6√25x^3 * √4x^3
6*5x√x * 2x√x
60x^2*√x√x
60x^3
or, multiplying inside the radical first:
6√(25x^3*4x^3)
6√100x^6
6*10x^3
60x^3
6sqrt25x^3*sqrt4x^3
6√25x^3 * √4x^3
6*5x√x * 2x√x
60x^2*√x√x
60x^3
or, multiplying inside the radical first:
6√(25x^3*4x^3)
6√100x^6
6*10x^3
60x^3