231. ա) x + 2/x Թ․Ա․Բ․ x = 0
x + 2/ x — 4 Թ․Ա․Բ․ x — 4 = 0
x + 2 / 4x Թ․Ա․Բ․ 4x = 0
բ) x + 0/ 4
x + 0 / 2 + x Թ․Ա․Բ․ 2 + x = 0
x + 0 / 8
գ) x — 3 / 8x Թ․Ա․Բ․ 8x = 0
x — 3 / 12 — x Թ․Ա․Բ․ 12 — x = 0
x — 3 / 7
դ) 2,5 + (-2,5) / 20x Թ․Ա․Բ․ 20x = 0
2,5 + (-2,5) / x — 4 Թ․Ա․Բ․ x — 4 = 0
2,5 + (-2,5) / 25
232. ա) x2 + 2x / x — 2 = 0 Թ․Ա․Բ․ x — 2 = 0
x2 + 2x = 0
x2 = 2x = > [x2 = 0 = > [x = 0
[2x = 0 = > [x = 0
Պատ․՝ 0
բ) 3x2 — 7x / x2 + 1 Թ․Ա․Բ․ x2 + 1 = 0
3x2 — 7x = 0
3x2 = 7x = > [x2 = 0 = > [x = 0
[3x2 = 7x = > [x = 0
Պատ․՝ 0