The simplest form of square root of eighty can be written as a times square root of b, where a = and b = .

Can some one me, i’ve been asking for so long

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.

What is x3+3x2−16x−48 divided by x−1?