Respuesta :

sqdancefan

Answer:

  -42a^6 +30a^5 -30a^4

Step-by-step explanation:

The distributive property says you can multiply the terms inside parentheses by the outside factor.

  -6a^4(7a^2-5a+5) = (-6a^4)(7a^2) +(-6a^4)(-5a) +(-6a^4)(5)

  = -42a^6 +30a^5 -30a^4