(3x5−2x4−5)−(2x4+x2−10) Subtract the two polynomials

Given the following statements, which is the best

Solve the x in the equation x^2+14x+17=-96

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4