3x2+26x=0
x(3x+26)=0
=>x=0 hoặc 3x+26=0
3x=-26
x=-26/3
Vậy x=0 hoặc x=-26/3
3x2 + 26x = 0
=> x(3x + 26) = 0
=> \(\hept{\begin{cases}x=0\\3x+26=0\end{cases}}\)
=> \(\hept{\begin{cases}x=0\\x=\frac{-26}{3}\end{cases}}\)
chắc zậy!!!!! 64756787699782341353464564577565685687687689964735745