Răspuns :
ecuatie de gradul 2 : ax² + bx + c =0
x² - 10x +24 = 0 deci a = 1, b = - 10 si c = 24
Δ = b² - 4 × a × c = (-10)² - 4 × 1× 24= 100 - 96 = 4
x₁ = (- b + √Δ)/2a = ( 10 +2)/2 = 6 ∈ N
x₂ = (- b - √Δ)/2a = ( 10 - 2)/2 = 4 ∈ N
ecuatie de gradul 2 : ax² + bx + c =0
x² - 10x +24 = 0 deci a = 1, b = - 10 si c = 24
Δ = b² - 4 × a × c = (-10)² - 4 × 1× 24= 100 - 96 = 4
x₁ = (- b + √Δ)/2a = ( 10 +2)/2 = 6 ∈ N
x₂ = (- b - √Δ)/2a = ( 10 - 2)/2 = 4 ∈ N