Math
posted by Camile .
Write each expression as the product of two binomials.
1) a^3  3a^2 + 3a  9
2) 2x^2  3x^2  4x + 6

use grouping
the first:
a^3  3a^2 + 3a  9
= a^2(a  3) + 3(a  3)
= (a  3)(a^2 + 3)
do the 2nd the same way.