Question

Find the factors.

(9) 4m² + 19mn + 12n²

Answer 1

The factors of 4m² + 19mn + 12n² are:

$$\begin{gathered} 4m^2+19mn+12n^2 \\ =4m^2+16mn+3mn+12n^2 \\ =4m\left(m+4n\right)+3n\left(m+4n\right) \\ =\left(m+4n\right)\left(4m+3n\right) \end{gathered}$$