Question 755787
Q:
ln(x)+ln(x+2)=ln(3x+20)
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A:
ln[x(x + 2)] = ln(3x + 20)
x(x + 2) = 3x + 20
{{{x^2 - x - 20 = 0}}}
(x - 5)(x + 4) = 0
x = {{{highlight(5)}}}, ln(-4) is not a real number