Question

a-b-a^3+b^3
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Answer 1

Answer:

(a-b)(1-a^2-ab-b^2)

Step-by-step explanation:

a-b-a^3+b^3

=1(a-b)-(a^3-b^3)

=1(a-b)-(a-b)(a^2+ab+b^2)

=(1-a^2-b^2-ab)(a-b)

=(a-b)(1-a^2-ab-b^2)