1) x² + x - 12 = 0
По теореме Виета :
x₁ = - 4 x₂ = 3
x² + x - 12 = (x + 4)(x - 3)
2) x² + 3x - 10 = 0
x₁ = - 5 x₂ = 2
x² + 3x - 10 = (x + 5)(x - 2)
3a² + 7a - 6 = 3(a + 3)(a - 2/3)
1) x² + x - 12 = 0
По теореме Виета :
x₁ = - 4 x₂ = 3
x² + x - 12 = (x + 4)(x - 3)
2) x² + 3x - 10 = 0
По теореме Виета :
x₁ = - 5 x₂ = 2
x² + 3x - 10 = (x + 5)(x - 2)
3a² + 7a - 6 = 3(a + 3)(a - 2/3)