How do you factor #15a^3 - 6a^2b + 25ab^2 - 10b^3#?
1 Answer
May 10, 2016
#15a^3-6a^2b+25ab^2-10b^3=(3a^2+5b^2)(5a-2b)#
Explanation:
Factor by grouping:
#15a^3-6a^2b+25ab^2-10b^3#
#=(15a^3-6a^2b)+(25ab^2-10b^3)#
#=3a^2(5a-2b)+5b^2(5a-2b)#
#=(3a^2+5b^2)(5a-2b)#
