What should be subtracted from a3 -7a2 + 12a +13 to get 7a2 +11a +7?​

1 thought on “What should be subtracted from a3 -7a2 + 12a +13 to get 7a2 +11a +7?​”

1. Answer:

   -a^3+14a^2-a-6

   Step-by-step explanation:

   [tex]a^{3}-7a^{2}+12a+13-x=7a^{2}+11a+7\\\\x= 7a^{2}+11a+7-(a^{3}-7a^{2}+12a+13)\\\\x=7a^{2} +11a+7-a^{3}+7a^{2}-12a-13\\\\x=-a^{3}+14a^{2}-a-6\\\\[/tex]

   I hope this helped

   pls mark as brainliest

   Reply