Question

Need help fast!   a^5-12a^4 divided by 3a^4=
HELP!!

Answer 1

$( {a}^{5} - 12 {a}^{4} ) \div 3 {a}^{4} \\ \\ = \frac{( {a}^{5} - 12 {a}^{4} )}{3 {a}^{4}} \\ \\ = \frac{ {a}^{4}(a - 12) }{ {a}^{4} \times 3 } \\ \\ = \frac{a - 12}{3}$

$= \frac{a}{3} - \frac{12}{3} \\ \\ = \frac{a}{3} - 4$