Write in Standard Form 6x-4x^4+5^7

$6 x - 4 x^{4} + 5^{7}$

To write a polynomial in standard form, simplify and then arrange the terms in descending order.

$a x^{2} + b x + c$

Raise $5$ to the power of $7$ .

$6 x - 4 x^{4} + 78125$

Reorder $6 x$ and $- 4 x^{4}$ .

$- 4 x^{4} + 6 x + 78125$