ab-3a-4b+12

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aruv | High School Teacher | (Level 2) Valedictorian

Posted on

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.