\(5x\left(x-1\right)-3x\left(x-1\right)\)
\(=5x^2-5x-3x^2+3x\)
\(=2x^2-2x\)
\(=2x\left(x-1\right)\)
\(5x\left(x-1\right)-3x\left(x-1\right)=\left(x-1\right)\left(5x-3x\right)=\left(x-1\right)\left[x\left(5-3\right)\right]\)
Cho mik hỏi x3 + x = 0
Tìm x đặt nhân tử chung