http://www.mathgoodies.com/forums/im..._math_cbrt.gifx-5-2=3

radical sign is under the x-5.

x= http://www.mathgoodies.com/forums/im..._math_sqrt.gifx+7+5

radical sign is under the x+7

Multiply

(3http://www.mathgoodies.com/forums/im..._math_sqrt.gif6 +2)(4-6http://www.mathgoodies.com/forums/im..._math_sqrt.gif3)

simplify

http://www.mathgoodies.com/forums/im..._math_sqrt.gif(9x)^2

Is that 3x?

http://www.mathgoodies.com/forums/im..._math_cbrt.gif-125c^3

Find the domain of the given function.

F(x)=http://www.mathgoodies.com/forums/im..._math_sqrt.gif2x-3

radical sign is under the 2x-3.

Thank you