x^{2} + 5x + 8 = 4
x^2 + 5x + 8 = 4
subtract 4 from both sides:
x^2 + 5x + 4 = 0
Factoring the left side:
(x+4)(x+1) = 0
Setting each term (inside parentheses) to zero provides you the answer:
x = {-4, -1}
x^{2} + 5x + 8 = 4
x^2 + 5x + 8 = 4
subtract 4 from both sides:
x^2 + 5x + 4 = 0
Factoring the left side:
(x+4)(x+1) = 0
Setting each term (inside parentheses) to zero provides you the answer:
x = {-4, -1}