Question

Simplify a-4a^3/a-4a^2+4a^3

Answer 1

\[a(1-4a ^{2})\div a(1-4a+4a ^{2})\]

\[(1-2a)(1+2a)\div(1-2a)^{2} \]
\[(1-2a)\div(1+2a)\]

Answer 2

there is confused
- so the right answer is (1+2a)/(1-2a)