Y ^ 2 * (y + 12) + (y + 12) Somebody can explain me why the answer is (y^2+1)(y+12)

Which of the following expressions is equal to 2x^2+8

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

Felix wrote several equations and determined that only one of the equations has no solution. which of these equations has no solution?