SOLUTION: log(x + 4) + log(x + 3) = log 2
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Question 307185
:
log(x + 4) + log(x + 3) = log 2
Answer by
dabanfield(803)
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log(x + 4) + log(x + 3) = log 2
So we have:
log(x+4)*(x+3) = log 2
And:
(x+4)*(x+3) = 2
x^2 + 7x + 12 = 2
x^2 + 7x + 10 = 0
(x+2)*(x+5) = 0
x+2 = 0 or
x+5 = 0
So
x = -2 or x = -5