How do you simplify #a^3 - 2a^b + 3a^3 + 4a^2b - 8a^3#?

1 Answer
EZ as pi
Feb 5, 2017

#-4a^3 +4a^2b -2b^6#

Explanation:

First identify the like terms in the expression.

#color(blue)(a^3) - 2a^b color(blue)(+3a^3) + 4a^2b color(blue)(- 8a^3)#

Add the like terms, keeping the variables the same:

Then arrange the terms in descending order of the powers of one the variables. (in case, powers of #a#)

#=color(blue)(-4a^3) +4a^2b -2b^6#

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