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18-09-2021
Mathematics

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What are the solutions to the equation? 7x3=28x Enter your answers in the boxes. x = or x = or x =

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Аноним Аноним

18-09-2021

Answer:

[tex]{ \tt{7 {x}^{3} = 28x }} \\ \\ { \tt{7 {x}^{2} = 28}} \\ \\ { \tt{ {x}^{2} = 4}} \\ \\ { \tt{x = \sqrt{ 4 } }} \\ \\ { \boxed{ \tt{x = {}^{ + }2 } } \: \: and \: { \boxed{ \tt{x = {}^{ - } 2}}}}[/tex]

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