brokenheart1
brokenheart1 brokenheart1
  • 16-07-2018
  • Mathematics
contestada

Simplify the radical expression below.

[tex]3 \sqrt{7} - \sqrt{63} [/tex]

Respuesta :

GoddessofDork
GoddessofDork GoddessofDork
  • 16-07-2018

So for this, we can simplify √63 as such:


[tex] \sqrt{63}=\sqrt{7*9}=3\sqrt{7} [/tex]


Using the simplified version of √63, we can solve it:


[tex] 3\sqrt{7} -3\sqrt{7} =0 [/tex]


Zero is your final answer.

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