How do you simplify #3sqrtx * 3sqrtx#?

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Answer 1 · 2016-04-24T19:24:31

The answer is #9x#.

#3*3*sqrtx*sqrtx#

Simplify.

#9*sqrtx*sqrtx#

Simplify #sqrtx*sqrtx# to #sqrt(x^2)#

#9xsqrt(x^2)#

Apply the square root rule #sqrt(m^2)=m#.

#sqrt(x^2)=x#

Simplify.

#9xsqrt(x^2)=#

#9x#