Question

$x {}^{5} + 4x {}^{4} \\ - - - - - - \\ x {}^{4} + 4x {}^{3}$
при х =-0,6​

Answer 1

$\frac{x^5 + 4x^4 }{x^4 + 4x^3 }=\frac{x^4(x + 4) }{x^3(x + 4)}=x\\\\x=-0,6$

Ответ: - 0,6