Question

i) x² + 5x + 4
1
ii) u+--5
.., 2​

Answer 1

Answer:

(x+1)(x+4)

Step-by-step explanation:

x2+5x+4

=x2+4x+x+4

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

=(x+1)(x+4)

Answer 2

Answer:

i) x²+5x+4=0

 x²+(4+1)x+4=0

(x+4)(x+1)=0

x+4=0        x+1=0

x= -4          x= -1