Pere ypanese ( 405-432): 105. 2x + 3x - 5 - 0 417.2 + 3x-2-0.
406.52 - 7x + 2-0. 418.3x + 8x - 3-0.
107.5 - 2 = 0. 419.-x + 2x + 8-0
408. 2x - 7x +3 -0. 420.-x - Tx-10-0
409. 3.2 + 2x - 5-0. 421.9 - 6x +1 -0.
410.5x - 3x - 2 = 0. 422. 4x + 4x +1 -0.
411.61 + x-1-0.
423. - Tx+8 -0.
412. 2r? - 5x +3 -0. 424.8 - 2x + 150
413.x - 5x - 1 -0. 425.5x® - 8x - 4-0
114. x² + 3x + 1-0. 426.6x - x - 1 - 0
115. 3.x + 7x - 6 -0. 427.5x - 8x + 3-0
116. 2x - 9x + 40. 128.7x19x + 2-0.