Which of the following shows the extraneous solution to the logarithmic equation? log Subscript 4 Baseline (x) + log Subscript 4 Baseline (x minus 3) = log Subscript 4 Baseline (negative 7 x + 21) x = negative 7 x = negative 3 x = 3 and x = negative 7 x = 7 and x = negative 3