Question

phân tích 5x^2_16x+3   thành nhân

 

Answer 1

 Ta có: \(5x^2-16x+3\)

\(=5x^2-15x-x+3\)

\(=5x\left(x-3\right)-\left(x-3\right)\)

\(=\left(x-3\right)\left(5x-1\right)\)

Answer 2

\(5x^2-16x+3=5x^2-15x-x+3=5x\left(x-3\right)-\left(x-3\right)=\left(5x-1\right)\left(x-3\right)\)