Question

8a^3-27 plz help!

Answer 1

Difference of two cubes

Answer 2

difference of two cubes

a^3 - b^3 = (a-b)(a^2 + ab + b^2)

Answer 3

8a^3 = (2a)^3 <---that will be a

27 = 3^3 <---that will be b

Answer 4

therefore

8a^3 - 27^3 = (2a - 3)[ (2a)^2 + (2a)(3) + (3)^2]

Answer 5

do you need mroe instructions @latineclipse

Answer 6

is that the final answer?

Answer 7

simplify the right side

Answer 8

hmmm how can i do that?