Answer:
(3x + 5)(9x^2 - 15x + 25)
Step-by-step explanation:
27x^3 + 125
= (3x)^3 + 5^3
= (3x + 5) ((3x)^2 - (3x)(5) + 5^2)
= (3x + 5)(9x^2 - 15x + 25)
FYI: a³ + b³ = (a + b)(a² – ab + b²)
P(not a birthday card) is
(
) because if 14 of the 21 are birthday cards then 21-14=7 are not.
The commutative property is when you are switching the order of the numbers/variables, and the associative property is when you switch the grouping. So for the first line, the answer would be the the associative property, the second line is the commutative property, and so on and so forth. Does this help you?
