Question

数学化简

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

Answer 1

2(a^2+ab^2)-2(a^2b-1)-2ab^2+a-2
=2a²+2ab²-2a²b+2-2ab²+a-2
=2a²-2a²b-a
=a(2a-2ab-1)

数学辅导团专业解答！

Answer 2

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