Perform the operation.
(-5x + 5) - (3x^2 - 6x - 1)

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Pls yall i really need the answer fr fr

Factor the polynomial expression x6 – x3 – 20