Помогите, пожалуйста!
2х^2-4х+10=х(х+3)

2x² - 4x + 10 = x( x + 3)2x² - 4x + 10 = x² + 3x2x² - 4x + 10 - x² - 3x = 0x² - 7x + 10 = 0D = b² - 4ac = ( - 7)² - 4 × 1 × 10 = 49 - 40 =9 = 3²x₁ = 7 + 3 / 2 = 5x₂ = 7 - 3 / 2 = 2