Question

Simplify:

a. –p(8p2 + 3p) b. (4s + 5)(7s2 – 4s + 3)

c. (y – 6)(3y + 7) d. (x – 2)(x + 2)


Do all of them please and show all your work!

Answer 1

a:
-p(8p^2 + 3p) = -8p^3 - 3p^2

b:
(4s + 5)(7s^2 - 4s + 3)
28s^3 - 16s^2 + 12s + 35s^2 - 20s + 15
28s^3 + 19s^2 - 8s + 15

c:
(y - 6)(3y + 7)
3y^2 -11y - 42

d:
(x - 2)(x + 2) = x^2 - 4