keniarobles749 keniarobles749 03-05-2021 Mathematics contestada Need help ASAP! I’ll give brainliest;) No links please, will report. The perimeter of a triangle is 5x^4+5x^3+5x^2+50x+100. One side is 5x^2+103x+40 and the other side is 5x^3-43+100. What is the length of the third side of the triangle?