Question 74056
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GCF means Greatest Common Factor

therefore we are going to factor 

-3x^4 and 6x^3 then we will be able to find the greatest common factor.


-3x^4 = -1 * 3 * x * x * x * x

 6x^3 =  2 * 3 * x * x * x         Find the common factors
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             3 * x * x * x    -------> this are the common factor

3 * x * x * x  = 3x^3 this is also considered as the GCF