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Mr. Hui · 07-24-2007

First simplify what's inside the square root:

${x^2}-6x+9 = (x-3)(x-3) = (x-3)^2$

so the square root of $(x-3)^2$ is $(x-3)$

07-24-2007	#2
Mr. Hui Join Date: Mar 2005 Posts: 10,609	First simplify what's inside the square root: ${x^2}-6x+9 = (x-3)(x-3) = (x-3)^2$ so the square root of $(x-3)^2$ is $(x-3)$ __________________ Do Math and you can do Anything!