Question

Чему равно 14400х^3+14400x^2+20736x+20736=0?????

Answer 1

$14400x^3+14400x^2+20736x+20736=0\\14400x^2(x+1)+20736(x+1)=0\\(x+1)(14400x^2+20736)=0\\x+1=0; ; to ; ; x=-1\\14400x^2+20736>0; pri; xin R\\Otvet:; x=-1$