# Simplifying.. not sure how to do it..

• January 21st 2013, 02:05 PM
phyfreak
Simplifying.. not sure how to do it..
(-4x^-6 * y^2)^3
to make it easier to read: http://i45.tinypic.com/2pzeeeq.jpg

Thanks a lot
• January 21st 2013, 03:40 PM
Soroban
Re: Simplifying.. not sure how to do it..
Hello, phyfreak!

Quote:

$\text{Simplify: }\:\left(-4x^{-6}y^2\right)^3$

$\left(-4x^{-6}y^2\right)^3 \;=\;(-4)^3\left(x^{-6}\right)^3\left(y^2\right)^3 \;=\; -64x^{-18}y^6 \;=\;-\frac{64y^6}{x^{18}}$