Question

expand (x+5)^6!

x^6+30x^5+375x^4+2500x^3+9375x^2+18750x+15625
or
x^6+5x^5+25x^4+125x^3+625x^2+3125x+15625
or
x^6+6x^5+15x^4+20x^3+15x^2+6x+1

Answer 1

my answer is not shown.

Answer 2

x^6+30 x^5+375 x^4+2500 x^3+9375 x^2+18750 x+15625

Answer 3

that is what I got

Answer 4

\[x^6+30 x^5+375 x^4+2500 x^3+9375 x^2+18750 x+15625 \]

Answer 5

thanks!