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HOMEWORK PRACTICE (Answers in the back of the review packet)
40) Write a polynomial that represents the perimeter of the triangle.
x +3
x²+3x+7
4x²-9x+12

Respuesta :

Itz5151

Answer:

5x²-5x+22

Step-by-step explanation:

Sides are given,just add them to find the perimeter

  • x +3
  • x²+3x+7
  • 4x²-9x+12

(x+3)+(x²+3x+7)+(4x²-9x+12)

Collect like terms

  • (x²+4x²)+(x+3x-9x)+(3+7+12)
  • 5x²-5x+22

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