Answer :
x^2 + 5x + 4 = 0
(x + 4)(x + 1) = 0
x + 4 = 0
x = -4 <===
x + 1 = 0
x = -1 <===
(x + 4)(x + 1) = 0
x + 4 = 0
x = -4 <===
x + 1 = 0
x = -1 <===
Step-by-step explanation:
answer:
x^2 + 5x + 4 = 0
x²+4x+x+4=0
x(x+4)+1(x+4)=0
(x+4)(x+1)=0 is your answer