Question #5e54d

1 Answer
EZ as pi
Mar 17, 2017

#=a^6b +2a^5b+a^5b^2+3a^4b^2+a^3b^3#

Explanation:

#(color(red)(a*a)(a+b)*color(red)(ab)(a^2+b+color(blue)(a+a))#

#=color(red)(a^3b)(a+b)(a^2+b+color(blue)(2a))#

#=a^3b(color(magenta)(a)color(forestgreen)(+b))(a^2+2a+b)" "larr# multiply the two brackets

#=a^3b(color(magenta)(a^3+2a^2+ab)+color(forestgreen)(a^2b+2ab+b^2))#

#=a^3b(a^3+2a^2+a^2b+3ab+b^2)" "larr# distribute the #a^3b#

#=a^6b +2a^5b+a^5b^2+3a^4b^2+a^3b^3#

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