Question

(x+1)^3=?

Answer 1

Expand out the expression. Do you know how to do that?

Answer 2

?

Answer 3

x^3-3x^2+3x-1

Answer 4

@lashae1995 , there can't be negative terms in the answer because there aren't any negative terms in the original.

Answer 5

@pfenn1 do you no the answer?

Answer 6

wait.
x^3 - 3x^2 +3x - 1

Answer 7

\[(x+1)^3=(x+1)(x+1)(x+1)=(x^2+2x+1)(x+1)=\]\[x^3+2x^2+x+x^2+2x+1=x^3+3x^2+3x+1\]

Answer 8

thanks pfenn1

Answer 9

you are welcome.