Question

Which choice is equivalent to the expression below when x > 0

Answer 1

3x sqrt(2x)

Explanation:

sqrt(6x^2) * sqrt(3x)

We know that sqrt(a) sqrt(b) = sqrt(ab)

sqrt(6x^2*3x)

sqrt(18x^3)

sqrt(9*2 x^2 x)

sqrt(a) sqrt(b) = sqrt(ab)

sqrt(9) sqrt(x^2) sqrt(2x)

3x sqrt(2x)