Question

Phân tích đa thức sau thành nhân tử:

2(x+3)+6x(x+3)

Answer 1

https://i.imgur.com/sIkmiLa.jpg

Answer 2

2(x+3)+6x(x+3)

= 2(x+3)(1+3x)

Answer 3

\(2.\left(x+3\right)+6x.\left(x+3\right)=\left(x+3\right).\left(2+6x\right)\)

Answer 4

\(2\left(x+3\right)+6x\left(x+3\right)\)

\(\Leftrightarrow2\left(x+3\right)\left(1+3x\right)\)

Answer 5

2(x+3)+6x(x+3)

(2+6x).(x+3)

=2.(3x+1).(x+3)