SOLUTION: Solve: log10 x + log10 (x – 3) = 1

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Question 447443: Solve: log10 x + log10 (x – 3) = 1
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
log10(x) + log10(x – 3) = 1
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log10[x(x-3)] = 1
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x(x-3) = 10^1
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x^2-3x-10 = 0
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(x-5)(x+2) = 0
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Positive solution:
x = 5
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Cheers,
Stan H.