Question

Question:

Answer 1

\[a+4\sqrt{3a ^{3}+10a ^{2}-5a+12}\]

Answer 2

Ok

what do we have to do ?

Answer 3

That is what I am wondering. :) The problem is above

Answer 4

Okay see:

\[\large{3a^3 + 10a^2 - 5a + 12 = 3a^2 (a+4) - 2a(a+4) + 3(a+4)}\]
\[\large{=(a+4)(3a^2 - 2a + 3)}\]

Answer 5

I think she has to do and show long division

Answer 6

yes I do :)

Answer 7

I am a little unsure how to start it still

Answer 8

Continue after this