Chala kvadrat tenglamalar va ularni yechish
Javoblar ota-onalar va o‘qituvchilar uchun.
1
2x² - 18 = 0 tenglamani yeching.
x = ±3
2
9x² + 4 = 0 tenglamani yeching.
haqiqiy ildiz yo‘q
3
7x² - 14x = 0 tenglamani yeching.
x₁ = 0, x₂ = 2
4
x² - 20 = 0 tenglamani yeching.
x = ±2√5
5
3x² + 5x = 0 tenglamani yeching.
x₁ = 0, x₂ = -5/3