Question

Factor this polynomial completely x^2+5x+4

Answer 1

Multiples of 4 are either (4*1) or (2*2)
We notice that when 4 and one are added together that they equal 5
So we get an answer of
(x+4)(x+1)
(x^2)+(4x)+(1x)+(4)
=x^2+5x+4

Answer 2

Thank you