Completely simplify the following expression: open parentheses fraction numerator 2 x to the power of 12 y to the power of 6 over denominator x to the power of 8 bullet x to the power of negative 3 end exponent end fraction close parentheses cubed. Explain your steps by identifying which rule of exponents is used at each step. Completely factor the following expression: 2 x cubed plus 26 x squared plus 80 x. Show and explain all steps. A ball is dropped from the top of a tower. The height of the ball is given by the equation h equals negative 16 t squared plus 200 where h represents the height in feet, and t represents the time in seconds. Find the time it takes the ball to reach the ground. Show and explain all steps. Identify any extraneous solutions and explain how you determined it to be extraneous