Question

please give me the answer as soon as possible ​

Answer 1

Answer:

We know that ,

Perimeter of triangle = Sum of all sides of triangle

Therefore, = 2x^2+3x+1+x^2+7+3x^2-2x+3

= 6x^2+x+11

Hence the perimeter of triangle is 6x^2+x+11

I hope this answer will hope you !