\(\left(3x-4\right)\left(x+1\right)^3=0\)
\(\Leftrightarrow\left(3x-4\right)\left(x+1\right)=0\)
\(\Leftrightarrow\orbr{\begin{cases}3x-4=0\\x+1=0\end{cases}}\)
\(\Leftrightarrow\orbr{\begin{cases}x=\frac{4}{3}\\x=-1\end{cases}}\)
( 3x - 4) ( x + 1)3 = 0
<=>( 3x - 4)( x + 1) = 0
\(\Leftrightarrow\orbr{\begin{cases}3x-4=0\\x+1=0\end{cases}\Leftrightarrow\orbr{\begin{cases}x=\frac{4}{3}\\x=-1\end{cases}}}\)
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