Question

Find the product of: (x-3)(x^2+3x+9)

Answer 1

\[x^3-27\]

Answer 2

I think that might be right

Answer 3

wow thank you

Answer 4

\[(x^{3}+3x^{2}+9x)+ (-3x^{2}-9x-27) = x^{3}-27\]

Answer 5

my pleasure

Answer 6

well that is a simple formula

\[x^3 - y^3\] = \[x-y\] .\[x^2 + xy + y^2\]

this is what i did

here x = x and y = 3

Answer 7

@rayray go back to this one and see the changes
http://openstudy.com/groups/mathematics#/groups/mathematics/updates/4e75786d0b8b7d4f6cfc8ee6