Question

The perimeter of a triangle is 5-3a+7a² and two of its side are 2a²+3a-2 and 3a²-a+3. find the third side of the triangle.
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Answer 1

Answer:

here is your answer,

I have attached an image

Step-by-step explanation:

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Answer 2

Answer:

explanation I have attached a image

S3- 4-5a+2a square