Mathematics, 18.02.2021 21:50 lacourboud20005

5c^2-d^2+3 2c-4d if c=-1 and d=-4 make sure you show how you got the answer and could somebody please help me I have an exam in 4 min

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5c^2-d^2+3 2c-4d if c=-1 and d=-4 make sure you show how you got the answer and could somebody pleas...