Use factoring solve x^3-9x=0, then using the quadratic formula sole 49/2 - 1/4 x^2, explain how you solved and use the vocab words quadratic formula, factoring, completing the square and discriminant

part 1 answer = 8

part 2 answer = 72

step-by-step explanation:

part 1 explanation = add all of the numbers, then divide by how many numbers you have. so, 200/25 = 8.

part 2 explanation = not gonna lie, this is hard to explain, so just google how to do it.

35-60 students are taking math.

the answer would be c