document.write( "Question 540355: Hello, I was reviewing radicals for a test tomorrow and had trouble with one question on the bonus worksheet.
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\n" ); document.write( "\n" ); document.write( "This would be a simple problem, but I'm dreadful at factoring and cant remember what to do with the 16x^2 or how to solve it.
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Algebra.Com's Answer #353662 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Since 16 = 4^2, this means that 16x^2 = 4^2*x^2 = (4x)^2\r
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\n" ); document.write( "\n" ); document.write( "So the square root of 16x^2 is the same as the square root of (4x)^2\r
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\n" ); document.write( "\n" ); document.write( "So the square and the square root effectively cancel out leaving just 4x\r
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\n" ); document.write( "\n" ); document.write( "So √16x^2 = 4x where x is nonnegative\r
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