The following expression can be factored using grouping 3x^3- 8x-3
Which of the following would be the next step?
O 3x2–2x - 6x-3
O 3x2+x-9x-3
03x2 - x + 9x - 3
O 3x2-3x - 5x-3

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.