What value of c makes x2 − 12x + c a perfect square trinomial?
2 answers:
Answer: The required value of c is 36.
Step-by-step explanation: We are given to find the value of c so that the following expression becomes a perfect square trinomial :

To find the value of c, we proceed as follows :

So, for E to be a perfect square trinomial, we must have

Thus, the required value of c is 36.
Answer:
for value 36
c makes the perfect square
x2 - 12x +36
= x2 - 2*6x +6^2
= (x-6)^2 #
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