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18-11-2021
Mathematics

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Determine whether the expression 9m^2 + k is equal to 7m^2 + 2(2k-m^2) + 5k. Use properties to justify your answer.

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18-11-2021

they are not equal

The first number cannot be simplified (9m^2 + k) and is the second is equal to 5m^2+9k

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