Question

\(\left(x+5\right)_3\) = -64

Tìm x

Answer 1

mũ 3 hay sao thế

Answer 2

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

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

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

\(x=-4-5\)

\(x=-9\)

Vậy x = -9

Answer 3

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

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

\(=>x+5=\left(-4\right)\)

\(x=\left(-4\right)-5\)

\(x=-9\)

Vậy: \(x=-9\)

Answer 4

Ta có \(\left(x+5\right)^3=-64\)

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

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

=>\(x=-4-5=-9\)

Vậy x= -9