Question

x^4+x^3-12x^2=0 подробное решение

Answer 1

X^4 + x^3 - 12x^2 = 0
X^2•( x^2 + x - 12 ) = 0
X^2 = 0 ; x = 0
X^2 + x - 12 = 0
D = 1 + 48 = 49 = 7^2
X1 = ( - 1 + 7 ) : 2 = 3
X2 = ( - 1 - 7 ) : 2 = - 4
Ответ 0 ; 3 ; - 4

Answer 2

благодарю