Question

Expand.
Your answer should be a polynomial in standard form.
(d² - 3)(d² + 2) =[
-

Answer 1

`d^(4)` - d² - 6

Explanation:

given

(d² - 3)(d² + 2)

each term in the second factor is multiplied by each term in the first factor, that is

d²(d² + 2) - 3(d² + 2) ← distribute parenthesis

=
`d^(4)` + 2d² - 3d² - 6 ← collect like terms

=
`d^(4)` - d² - 6 ← in standard form