Factorise: x2 + 5x + 4

Mathematics · Middle School · Wed Jan 13 2021

Answered on

We have,

x² + 5x + 4

By middle-term split method 

x² + 4x+x + 4

x(x + 4) + 1(x+4)

(x+1) (x+ 4)

So, (x+1) (x+ 4) are factors of x² + 5x + 4