What is the justification for the first step in proving the formula for factoring the sum of cubes? a3 + b3 = (a + b)(a2 – ab +

Question

3 years ago

4

What is the justification for the first step in proving the formula for factoring the sum of cubes? a3 + b3 = (a + b)(a2 – ab +

b2) = a3 – a2b + ab2 + a2b – ab2 + b3
distributive property
commutative property
definition of additive inverse
definition of multiplicative inverse
(sorry this is highschool level i dont know why its says middle school)

Mathematics

2 answers:

Masja [62] · Answer 1 · 2022-08-18T12:35:13+03:00

Masja [62]3 years ago

8 0

the answer is A

i just finished this quiz

const2013 [10] · Answer 2 · 2022-08-18T10:48:22+03:00

const2013 [10]3 years ago

6 0

Answer: A. distributive property