SOLUTION: Solve : log2(1+x^2) + log2(40) =3

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Question 747834: Solve : log2(1+x^2) + log2(40) =3
Answer by tommyt3rd(5050) About Me  (Show Source):
You can put this solution on YOUR website!
log2(1+x^2) + log2(40) =3
log2(40(x^2+1))=3
2^log2(40(x^2+1))=2^3
40(x^2+1)=8
x^2+4/5=0
x=2sqrt%285%29%2F5+%2Ai%29
or
x=-2sqrt%285%29%2F5+%2Ai