How do you multiply # (x+1)^3#?

2 Answers
Mar 28, 2018

Answer:

#x^3+3x^2+3x+1#

Explanation:

enter image source here

= #x^3+3x^2*1+3x *1^2+1^3#

= #x^3+3x^2+3x+1#

Mar 28, 2018

Answer:

#color(magenta)(x^3+3x^2+3x+1#

Explanation:

#color(white)(aaaaaaaaaaaaa)##x+1#
#color(white)(aaaaaaaaaaa)## xx underline(x+1)#
#color(white)(aaaaaaaaaaaaa)##x^2+x#
#color(white)(aaaaaaaaaaaaaaaa)##+x+1#
#color(white)(aaaaaaaaaaaaa)##overline(x^2+2x+1)#
#color(white)(aaaaaaaaaaa)## xx x+1#
#color(white)(aaaaaaaaaaaaa)##overline(x^3+2x^2+x)#
#color(white)(aaaaaaaaaaaaaaaaaa)##x^2+2x+1#
#color(white)(aaaaaaaaaaaaa)##overline(x^3+3x^2+3x+1)#

#color(white)(aaaaaaaaaaaaa)##color(magenta)(x^3+3x^2+3x+1#