3x 2 2 √ 5x 5 0 July 8, 2019 16 32 64 128 3x 2 2 5x 5 0 15x 2 3x 2 5x при x 0 5 Y 0 5x 2 3x 2 5 3x 2 2 √ 5x 5 0 by quadratic formula 2 root 5x 2 3x root 5 0 2x 5