¿Cuál es el número x cuyo cuadrado es igual a cuatro veces la suma del número y
8?
porque​

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Can someone me and plz do the problem

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)