Question

(6m-5)(6m+5)-4m(9m+2) =1

Answer 1

$(6m - 5)(6m + 5) - 4m(9m + 2) = 1 \\ {36m}^{2} - 25 - {36m}^{2} - 8m = 1 \\ - 25 - 8m = 1 \\ - 8m = 1 + 25 \\ - 8m = 26 \\ m = - 3.25$