P(x) = x4 + 7x3 - 24x2 + 20x - 16

Write the sentence as an equation. b increased by 281 is d

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?