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Factor by grouping: ab-3a+4b-12
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The expression ab-3a+4b-12 has to be factored.
= a(b - 3) + 4(b - 3)
= (a + 4)(b - 3)
The factored form of ab-3a+4b-12 = (a + 4)(b - 3)
Posted by justaguide on April 26, 2013 at 3:05 PM (Answer #1)
eNoter, TA, Mathematician, Super Tutor, Tutor
ab-3a+4b-12 just find what they have in common
(b-3) (a+4) you can go even father if you want and get the main answer by setting the parenthesis equal to zero.
(b-3) = 0
Posted by atyourservice on February 23, 2014 at 12:47 AM (Answer #2)
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