Please help, have test next period and don't understand how to complete this problem! Will mark you brainliest if I understand the work! 2x³-64=x³+61

This is polynomial Equation work

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?