Answers

2014-07-10T18:22:06+08:00
4x^2-12x ... (used, common monomial factor)  answer: 4x(x-3) or 4x(1x-3)
because 4x is the GCF of 4x^2 and 12x .. then .. 4x^2/4x= x or 1x, and 12x/4x is 3. therefore 4x^2-12= 4x(x-3)
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