Find all real solutions. SR (x^2+3x+6)=4

Answer 1

Y = x^2 + 3x + 6 = 4
Y = x^2 + 3x + 6-4 = 0
x^2 3x + 2 = 0
C = 2 = 1*2.
(x+1)(x+2) = 0
x+1 = 0
X = -1.

x+2 = 0
x = -2