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What is the missing polynomial?

2 - (20 – 4x – 5x²) = 20 – 7x²
4x-12^2
4x-2x^2
40-4x-12x^2
40-4x-2x^2

User Fardin
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1 Answer

2 votes
2-29 it was b but if you lo
User Serdar
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