Question

Решить уравнение
x²(x+3)=4(x+3)

Answer 1

x^2(x+3) = 4(x+3)
x^2*x+3x^2 = 4x+12
x^3+3x^2-4x-12 = 0
x^2(x+3)-4(x+3) = 0
(x+3)(x^2-4) = 0
x = -3
x = 2
x = -2