Contemplative Warforged

Contemplative Warforged enters the battlefield
with 3 +1/+1 counters on it.
Remove a +1/+1 counter from Contemplative
Warforged: scry 1, then draw a card.
Discard a card: Put a +1/+1 counter on
Contemplative Warforged.

"If y = ax + b, and y = a(x-h)^2 + k, but y also =
ax^2+ bx + c, then..."