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Sveta_85 [38]
3 years ago
12

A

Mathematics
1 answer:
inna [77]3 years ago
7 0

Answer: 5x^4+x^2-6x+12

Step-by-step explanation:

Given

The area of the rectangular piece of wood is A_1=5x^4+3x^2-6x+8

The area of each circle is A_2=x^2-2

Area of the remaining piece of wood

\Rightarrow A_1-2A_2\\\Rightarrow 5x^4+3x^2-6x+8-2(x^2-2)=5x^4+x^2-6x+12

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