Question

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

Steven Zheng Steven Zheng posted 1 month ago


Answer

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

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

=0

Steven Zheng Steven Zheng posted 1 month ago

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