Question

x2 + 3x + 1 = 5. know the answer but need to understand how?

Answer 1

Answer:

$x=-4,\: x=1$

Step-by-step explanation:

$x^2+3x+1=5\\\\x^2+3x-4=0\\\\(x+4)(x-1)=0\\\\x=-4,\: x=1$

Make sure you use the Zero Product Property to solve for each factor when the equation is set equal to 0 and can be factored.