+23254 12x(x + 1) = -3
MUltiply out the left side (distributive property):
12x² + 12x = -3
12x² + 12x + 3 = 0
Divide by 3 to get a simpler equation:
4x² + 4x + 1 = 0
You can now finish this by factoring, by completing the square, or by using the quadratic formula.
