SOLUTION: Hi! How would you solve log base 2 of x + log base 2 of (x+3) = 2? Thanks for your help!!!

SOLUTION: Hi! How would you solve log base 2 of x + log base 2 of (x+3) = 2? Thanks for your help!!!

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Question 613765: Hi! How would you solve log base 2 of x + log base 2 of (x+3) = 2?
Thanks for your help!!!
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
x(x + 3) = 2^2

x^2 + 3x - 4 = 0

(x + 4)(x - 1) = 0

FYI : logarithms are not defined for negative arguments
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