Rewrite the expression g^4 + 12g^2 + 9 in the form c(g^2 + p)^2 + q. What is q?
Let x = g^2 substitute
x^2 + 12x + 9 'complete the square)
(x+6)^2 - 36 + 9
(x+6)^2 - 27 Substitue g^2 = x
(g^2 +6)^2 - 27 q = -27
Nice work EP