To solve this logarithmic equation, we need to combine the two logarithms on the left side of the equation using the product rule of logarithms.
Log a + Log b = Log (a * b)
So, we have:
Log3(x-3) + Log3 x = Log3 4
Applying the product rule:
Log3[(x-3)*x] = Log3 4
Now, simplify the expression inside the logarithm:
Log3(x^2 - 3x) = Log3 4
Since the base of the logarithm on both sides is the same (base 3), we can drop the logarithm and equate the expressions inside the logarithm:
x^2 - 3x = 4
Rearrange the equation into a quadratic form:
x^2 - 3x - 4 = 0
Now, we can factorize the quadratic equation:
(x - 4)(x + 1) = 0
Setting each factor to zero:
x - 4 = 0 or x + 1 = 0
Solving for x:
x = 4 or x = -1
However, we cannot take the logarithm of a negative number, so the solution for x is:
x = 4
To solve this logarithmic equation, we need to combine the two logarithms on the left side of the equation using the product rule of logarithms.
Log a + Log b = Log (a * b)
So, we have:
Log3(x-3) + Log3 x = Log3 4
Applying the product rule:
Log3[(x-3)*x] = Log3 4
Now, simplify the expression inside the logarithm:
Log3(x^2 - 3x) = Log3 4
Since the base of the logarithm on both sides is the same (base 3), we can drop the logarithm and equate the expressions inside the logarithm:
x^2 - 3x = 4
Rearrange the equation into a quadratic form:
x^2 - 3x - 4 = 0
Now, we can factorize the quadratic equation:
(x - 4)(x + 1) = 0
Setting each factor to zero:
x - 4 = 0 or x + 1 = 0
Solving for x:
x = 4 or x = -1
However, we cannot take the logarithm of a negative number, so the solution for x is:
x = 4