# ab-3a-4b+12

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### User Comments

What I understand you want to factor this expression

ab-3a-4b+12

=a(b-3)-4(b-3)

=(b-3)(a-4)

Thus

`ab-3a-4b+12=(b-3)(a-4)`

ans.

*print*Print*list*Cite

What I understand you want to factor this expression

ab-3a-4b+12

=a(b-3)-4(b-3)

=(b-3)(a-4)

Thus

`ab-3a-4b+12=(b-3)(a-4)`

ans.