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anonymous
 4 years ago
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anonymous
 4 years ago
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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1358409590944:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[\log_3(x+4)+\log_3(x2)=3\]log a + log b = log (ab) \[\log_3(x+4)(x2)=3\] (x+4)(x2) = 3^3

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so would it be x^2+2x17=0 which makes the roots x = {3.243, 5.243}?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Not quite, can you check again?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I'm sorry I can't seem to find where im going wrong

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0The equation you got was wrong..

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0(x+4)(x2) = 3^3 x^2 + 2x  8  3^3 =0 ^Simplify this

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0is it not x^2+2x17 ?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh my apologies I was thing of multiplying, so it is x^2+2x+19?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Hmmm... x^2 + 2x  8  3^3 =0

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yup :) Now, solve it~

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Yes, but you have to reject one answer there.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0You cannot take log for a negative number.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0And yes, you need to reject 7 :)
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