Question

Which value must be added to the expression x2 + 12x to make it a perfect-square trinomial?

A. 6

B. 36

C. 72

D. 144

Answer 1

D) 81

Explanation:

Answer 2

Answer:36

When you factor X^2+12x+36 you get a perfect square trinomial which is (x+6)^2

Hope this helps!