Question

(x+5)^3=-64

Answer 1

\(\left(x+5\right)^3=-64\)

\(\Rightarrow\left(x+5\right)^3=\left(-4\right)^3\)

\(\Rightarrow x+5=-4\)

\(\Rightarrow x=-9\)

Vậy \(x=-9\)

Answer 2

Ta có: (x+5)³=-64

=> (x+5)³=(-4)³

=> x+5 = -4

=> x = -4-5

=> x = -9

Vậy x=-9

Answer 3

(x+5)^3=-4^3

=> x+5=-4

x=-4 -5

x=-9

mk trả lời như z có đúng ko?