## 3psilon Group Title $\ c-5 = \sqrt(4c+1)$ one year ago one year ago

1. 3psilon

What is the value of C ? Help plz

2. soty2013

@Hero

$(c-5)^2=4c+1$

$c^2-10c+25=4c+1$

5. 3psilon

I got 2 and 12 but it just says it's 12

$c^2-14c+24=(c-12)(c-2)$

$\sqrt{4(2)+1}\neq2-5$

8. 3psilon

? What does that mean?

9. 3psilon

ohhh Can't have a negative root . Got it

10. Aperogalics

|dw:1351298207207:dw|

yes no - root$3\neq-3$