Question

One solution of the equation x2 + 5x + 4 is -4. What is the other solution?​

Answer 1

Answer:

x = -1

Step-by-step explanation:

$x^2+5x+4=0\\\\x^2+x+4x+4=0\\\\x(x+1)+4(x+1)=0\\\\(x+1)(x+4)=0\iff x+1=0\ \vee\ x+4=0\\\\x=-1\ \vee\ x=-4$