Answered

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

Sagot :

Answer:

I'm guessing the question is:

Which value must be added to the expression x^2+12x to make it a perfect-square trinomial?

If so, the answer is 36

If not, sorry...

Explanation:

You can get the answer by doing (-b/2a)^2. By doing this you get the c term of a perfect square trinomial.

Steps:

1) (b/2a)^2

2) (12/2[1])^2

3) (12/2)^2

4) (6)^2

5) 36

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