(x-4)(x^2+4x+16)=-189

Question

(x-4)(x^2+4x+16)=-189

Answer 1

(x-4)(x²+4x+16)=-189
x³-4³=-189
x³-64=-189
x³=-189+64
x³=-125
x=∛-125
x=-5

Comments

Спасибо большое)