Related Post: X 3 9x 12 0 X 3 9x 2 20x 12 0 2x 3 9x 2 X 12 0 9 X 12 3 X 27 0 3x 9 X 12 )= 0 9^x+3^x-12=0 1 9 X 1 3 X 12 0 X-9=-12