simplify -3 p^3 + 5 p + (-2 p^2 ) + (-4) - 12 p + 5 - (-8 p^3 ). select the answer in descending powers of p .

a- 1 - 7 p - 2 p^2 + 5 p^3
b- p^3 - 2 p^2 - 7 p + 1
c- 1 + 7 p + 2 p^2 - 5 p^3
d- -5 p^3 + 2 p^2 + 7 p + 1

Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous