How do you simplify (2x sqrt( 2x))(3 sqrt(5x))?

1 Answer
Apr 30, 2016

If x >= 0 then

(2xsqrt(2x))(3sqrt(5x))=6sqrt(10)x^2

Explanation:

I will assume that we are dealing with x>=0 and Real square roots.

If a, b >= 0 then sqrt(ab) = sqrt(a)sqrt(b)

(2xsqrt(2x))(3sqrt(5x))

= 2x*3*sqrt(2x*5x)

= 6xsqrt(10x^2)

= 6xsqrt(10)sqrt(x^2)

= 6xsqrt(10)x

=6sqrt(10)x^2