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bbbspiker1 bbbspiker1
  • 27-04-2015
  • Mathematics
Answered

how do you solve \r+3=r-3 by the way / is a radical sign

Verified Answer :

JaySL JaySL
  • 27-04-2015

Subtract three from both sides to get:

\(\sqrt{r} =r-6\)

Square both sides to get:

\(r^2-12r+36=r\)

Subtract r to get:
\(r^2-13r+36=0\)

Factor to get:
(r-9)(r-4)=0

The solutions to this equation are 9 and 4.

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