Question

phân tích đa thức thành nhân tử

a) 6x²+x-2

Answer 1

\(=\left(6x^2-3x\right)+\left(4x-2\right)\)

\(=3x\left(2x-1\right)+2\left(2x-1\right)\)

\(=\left(3x+2\right)\left(2x-1\right)\)

Answer 2

\(=6x^2-3x+4x-2=6x\left(x-2\right)+2\left(x-2\right)=2\left(3x+2\right)\left(x-2\right)\)