SOLUTION: Log2(X^2+2X)=3

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Question 445140: Log2(X^2+2X)=3
Answer by lwsshak3(6516) About Me  (Show Source):
You can put this solution on YOUR website!
Log2(X^2+2X)=3
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Log2(X^2+2X)=3
convert to exponential form (base(2) raised to log of number(3)= number (x^2+2x)
2^3=x^2+2x
x^2+2x-8=0
(x+4)(x-2)=0
x=-4
or
x=2