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How does this simplification work?

Context: High School
Thread starter rishi kesh
Start date Dec 19, 2017
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Algebra 2 Work

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2 replies · 2K views

rishi kesh

Thread starter
Dec 19, 2017

#1

Please check the image below. My algebra is bit rusty. Please explain the second step where the common factor is taken out.

Last edited by a moderator: Dec 19, 2017

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Mark44

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Dec 19, 2017

#2

##\sqrt{x^2 + x} = \sqrt{x^2 + \frac{x^2}x} = \sqrt{x^2(1 + \frac 1 x)}##
Can you work out the rest?

rishi kesh

Dec 19, 2017

#3

Mark44 said:

##\sqrt{x^2 + x} = \sqrt{x^2 + \frac{x^2}x} = \sqrt{x^2(1 + \frac 1 x)}##
Can you work out the rest?

That really helped.i know how to do rest.thanks:D

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