Question

What value in place of the question mark makes the polynomial below a

perfect square trinomial?
X2 + + 12x + ?

Answer 1

36

Explanation:

Given

x² + 12x

To make the polynomial a perfect square

add ( half the coefficient of the x- term)²

= x² + 12x + 6²

= x² + 12x + 36

= (x + 6)² ← a perfect square