(9a+4)(81a2-36a+16)
This expression can not be factored. It is already in it's simplest state.
-1
If you mean: 5x+35 then when factored it is 5(x+7)
5x^2 - 5 = 5(x^2 - 1) = 5(x - 1)(x + 1)
27-y3 factored completely = 24
When the expression is broken down into its prime factors it is factored completely.
a3-4a = a(a2-4) when factored
If you mean: y2+5y+6 then it is (y+2)(y+3) when factored completely
A completely factored form is one which is composed of product of factors and can't be factorized further. Let us consider two examples: x2 - 4x + 4 is not a factored form because it can be factored as (x - 2)(x - 2). (x +1)(x2 - 4x + 4) is also not a factored form because x2 - 4x + 4 can be factored further as (x - 2)(x - 2). So, the completely factored form is (x + 1)(x - 2)(x - 2).
Completely Factored
-5
77r + 74r - 16 = 151r - 16 and that cannot be factored further.
urr momm
(-t+7)(-7t-2)
98
6p2r(5p2q3 - 3q2 + 7)