5x-7 = 3x + 3, solve x

This is how the answer would be written in an exam!5x - 7 = 3x + 35x-3x = 3 + 72x = 10 x = 10/2x = 5

LM

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Given: ๐‘“(๐‘ฅ) = ๐‘Ž๐‘ฅ^3 + ๐‘๐‘ฅ^2 โˆ’ 3 and ๐‘“"(โˆ’2) = 0. If it is further given that the point (โˆ’3; 6) lies on the graph of ๐‘“. Show that ๐‘Ž = 1/3 and ๐‘ = 2.


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