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anonymous
 one year ago
Medals and fan!! :)
log2(x)+log2(x+2) =3
I factored to get x^2+2x8=0 but i dont know if im right?
The answer is 2 at the back of the tb but i am unaware on how to reach that?? Help please
anonymous
 one year ago
Medals and fan!! :) log2(x)+log2(x+2) =3 I factored to get x^2+2x8=0 but i dont know if im right? The answer is 2 at the back of the tb but i am unaware on how to reach that?? Help please

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Mertsj
 one year ago
Best ResponseYou've already chosen the best response.2Factor x^2+2x8 into (X+4)(x2)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but how come the answer is just 2 and not 2 and 4? @Mertsj

Mertsj
 one year ago
Best ResponseYou've already chosen the best response.2Can't be 4 because 2 to any power is a positive number. In other words, the argument cannot be negative.
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