Question

8a^3-27 plz help!

Answer 1

What's the question?

Answer 2

factor each

Answer 3

\[(2a)^{3} -(3)^{3}\]
\[(a-b)(a^{2}+ab+b^{2}) \] ^^^ difference of two cubes
so a =2a b=3 and sub into those brackets.
(2a-3)[(2a)^2 + (2a)(3) + (3)^2)]
(2a-3)(4a^2 + 6a + 9)

Answer 4

thank you soo much

Answer 5

no problem.