2 (A2 + AB2) - 2 (a2b-1) - 2ab2-2, branch | Math enthusiast | Mathematical art

2 (A2 + AB2) - 2 (a2b-1) - 2ab2-2, branch

2(a2+ab2)-2(a2b-1)-2ab2-2
=2a2+ab2-2a2b-1-2ab2-3
=2a2-ab2-2a2b-3
The man upstairs read the question wrong

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