X 2 5x 66 July 8, 2019 16 32 64 128 X 2 5x 66 0 X 2 5x 66 factorise Solve x 2 5x 66 0 X 4 =( 5x 66 2 X 4 =( 5x 66 2 решу огэ X 2 25x 66 5 x2
