Toán Tìm x: (3x-408).(x+110)=0 (lười nghĩ quá :)))) ) AUTO CTLHN+5 SAO 06/10/2021 By Eloise Tìm x: (3x-408).(x+110)=0 (lười nghĩ quá :)))) ) AUTO CTLHN+5 SAO
Đáp án + Giải thích các bước giải: `(3x-408).(x+110)=0` `=>` \(\left[ \begin{array}{l}3x-408=0\\x+110=0\end{array} \right.\) `=>` \(\left[ \begin{array}{l}3x=408\\x=-110\end{array} \right.\) `=>` \(\left[ \begin{array}{l}x=136\\x=-110\end{array} \right.\) Vậy `x∈{136;-110}` Trả lời
`(3x-408)(x+110)=0` `=>` \(\left[ \begin{array}{l}3x-408=0\\x+110=0\end{array} \right.\) `=>` \(\left[ \begin{array}{l}3x=408\\x=-110\end{array} \right.\) `=>` \(\left[ \begin{array}{l}x=136\\x=-110\end{array} \right.\) Vậy `x={136;-110}` Trả lời
Đáp án + Giải thích các bước giải:
`(3x-408).(x+110)=0`
`=>` \(\left[ \begin{array}{l}3x-408=0\\x+110=0\end{array} \right.\)
`=>` \(\left[ \begin{array}{l}3x=408\\x=-110\end{array} \right.\)
`=>` \(\left[ \begin{array}{l}x=136\\x=-110\end{array} \right.\)
Vậy `x∈{136;-110}`
`(3x-408)(x+110)=0`
`=>` \(\left[ \begin{array}{l}3x-408=0\\x+110=0\end{array} \right.\) `=>` \(\left[ \begin{array}{l}3x=408\\x=-110\end{array} \right.\) `=>` \(\left[ \begin{array}{l}x=136\\x=-110\end{array} \right.\)
Vậy `x={136;-110}`