If a+b=0 , find the value of the expression a^3-2b^3+a^2b-2ab^2

Question

If a+b=0 , find the value of the expression a^3-2b^3+a^2b-2ab^2

Collected in the board: Calculate algebraic expressions

Steven Zheng posted 2 years ago

Answer

a^3-2b^3+a^2b-2ab^2

=a^2(a+b)-2b^2(a+b)

=0

Steven Zheng posted 2 years ago