Omar noticed that he does not have a common factor. Which accurately describes what Omar should do next?
A
Omar should factor out a negative from one of the groups so the binomials will be the same.B
Omar should realize that his work shows that the polynomial is prime.C
Omar should go back and regroup the terms in Step 1 as open paren 3 x cubed minus 15 x squared close paren minus open paren 4 x plus 20 close paren .D
In Step 2, Omar should factor only out of the first expression.