Seowlah SG 5^2x -7^x -35.5^2x +36.7^x = 0 Supposedly a qn from an OL prelim paper 5^2x -7^x -35.5^2x +36.7^x = 0-34.5^2x +35.7^x = 035.7^x = 34.5^2x lg 35 + x lg 7 = lg 34 + 2x lg 5 Press calculator and solve for x.