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Solve the equation;

Solve the equation;
Log (x²-8x+20) = Log 4 + Log (x-4)

Answers

Log (x² – 8x = 20) = log 4 (x-4)
x² – 8x +20 = 4x – 16
x² -8x -4x + 20 + 16 = 0
x² – 12x + 36 = 0
x² – 6x – 6x + 36 = 0
x(x-6) -6(x-6) = 0
(x-6) (x-6) = 0
x = 6

Kavungya answered the question on September 20, 2019 at 06:11

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