Юлия Андреева
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- xxx + x = 30To solve the equation x³ + x = 30 , you need to bring it to standard form: x³ + x - 30 = 0. This is a cubic equation and can be solved by various methods such as trial and error or numerical methods. 1. Selection method: Let's select values for x: • If x = 3 : 3³ + 3 = 27 + 3 = 30. This solution is suitable. Thus, one of the solutions to the equation is x = 3 . 2. Checking other solutions: To ch...
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