How would the fraction 5/1-sqrt 3. Be written if it’s denominator is rationalized using difference of squares?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Find the value of x. give reasons to justify your solutions! c ∈ ae

Percent increase and decrease. original number: 45 new number: 18