(x+3)^5=x^5+15*x^4+90x^3+270x^2+405x+243
(х+3)^5 = x^5 + 5*3*x^4 + 10*3^2*x^3 + 10*3^3*x^2 + 5*3^4*x + 3^5 =
=x^5 + 15x^4 + 90x^3 + 270x^2 + 405x + 243
(x+3)^5=x^5+15*x^4+90x^3+270x^2+405x+243
(х+3)^5 = x^5 + 5*3*x^4 + 10*3^2*x^3 + 10*3^3*x^2 + 5*3^4*x + 3^5 =
=x^5 + 15x^4 + 90x^3 + 270x^2 + 405x + 243