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e-lub [12.9K]
3 years ago
7

What term should be added to create a perfect square trinomial ??

Mathematics
1 answer:
12345 [234]3 years ago
7 0
Yes you are correct. You take half of the x coefficient 18 to get 9, then you square 9 to get 81

x^2+18x+81 is a perfect square trinomial which factors to (x+9)^2
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