OpenStudy (anonymous):

Write the polynomial in descending order. 10x3 + 9 - 5x4 -5x4 + 10x3 + 9 10x3 + 9 - 5x4 9 + 10x3- 5x4

OpenStudy (anonymous):

first one

OpenStudy (anonymous):

-5x^4+10x^3+9

OpenStudy (anonymous):

remember only consider power of x when arrangin this

OpenStudy (anonymous):

-5x4 + 10x3 + 9

OpenStudy (anonymous):

medal plz