Question

x²+x³=0

Answer 1

\(x^2+x^3=0\)

`=>`\(\left[{}\begin{matrix}x^2+x^3=0\\x^3+x^2=0\end{matrix}\right.\)

\(x^2\cdot\left(x+1\right)=0\)

`=>`\(\left[{}\begin{matrix}x^2=0\\x+1=0\end{matrix}\right.\)

`=>`\(\left[{}\begin{matrix}x=0\\x=-1\end{matrix}\right.\)

 

 

Answer 2

x².x³=0

x²⁺³ = 0

x⁵ = 0

=> x = 0

Answer 3

`x^2 + x^3 = 0`

`x^2(x + 1) = 0

ta có 2 TH:

`TH1:`

`x^2 = 0`

`=> x^2 = 0^2`

`=> x = 0`

`TH2:`

`x+1=0`

`=> x = 0 - 1`

`=> x = -1`

Answer 4

`x^2 + x^3 = 0`

`<=> x^(2 + 3) = 0`

`<=> x^5=0`

`<=> x^5 = 0^5`

`=> x=0`