unknownkidd9918 unknownkidd9918

07-05-2021
Mathematics

contestada

I need help with this,, will give brianliest and +15 points

I need help with this will give brianliest and 15 points class=

Respuesta :

clarch19 clarch19

07-05-2021

Answer:

41x² - 27x + 27

Step-by-step explanation:

Perimeter of Rectangle:

= 2(20x²-12x+4) + 2(5x²-5x+15)

= 40x²-24x+8 + 10x²-10x+30

= 50x²-34x+38

Perimeter of Triangle:

= 6x²+6x+3x+3+3x²-2x+8

= 9x²+7x+11

Difference:

(50x²-9x²)+(-34x+7x)+(38-11)

= 41x² - 27x + 27

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