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Mathematics, 28.06.2019 05:30 AshNo

What is the sum or difference? a. 5x4 + 4x4 b. 12x5y − 9x5y a. a. 9x4 b. 3x5y b. a. 20x16 b. −108x25y2 c. a. 9x8 b. 3x10y d. a. 9x16 b. 3x25y2

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What is the sum or difference? a. 5x4 + 4x4 b. 12x5y − 9x5y a. a. 9x4 b. 3x5y b. a. 20x16 b. −108...

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