Which of the following is unnecessary when multiplying these polynomials?
(2x^3+2x^2-3x)(9x^2-4x+5)

A)use of the distributive property
B)use of the multiplication property of exponents
C)combine like terms
D)find the GCF

Respuesta :

The correct answer is:  [D]:  " find the GCF ['greatest common factor'] " .
_____________________________________________________________