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Tanzania [10]
3 years ago
12

Which of the following constants can be added to x2 - 6x to form a perfect square trinomial?

Mathematics
2 answers:
ludmilkaskok [199]3 years ago
7 0
You need a number so that  2x = -6  that is  -3 . Now square this number. This gives +9 

Answer is 9
Zielflug [23.3K]3 years ago
5 0
The answer would be 9
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