SOLUTION: I'm having a really hard time trying to figure this one out, all of my pencils are now eraserless because of this problems :( Lol. I appreciate your help in advance, Thank you!

Algebra ->  Radicals -> SOLUTION: I'm having a really hard time trying to figure this one out, all of my pencils are now eraserless because of this problems :( Lol. I appreciate your help in advance, Thank you!       Log On


   



Question 128789This question is from textbook Intermediate Algebra
: I'm having a really hard time trying to figure this one out, all of my pencils are now eraserless because of this problems :( Lol. I appreciate your help in advance, Thank you!
sqrt 98x^5 - 2x sqrt 18x^3
This question is from textbook Intermediate Algebra

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sqrt (98x^5) - 2x sqrt (18x^3)
= sqrt[49x^4*2x] - 2x sqrt[9x^2*2x]
= 7x^2*sqrt(2x) - 2x*8x*sqrt(2x)
= [7x^2-16x^2]*sqrt(2x)
= -9x^2*sqrt(2x)

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Cheers,
Stan H.