amirferguson9151 amirferguson9151 19-06-2018 Mathematics contestada Which is a descending order a. -10+4x^3-4x^5+2x^4+x^7 b. x^7-4x^5+2x^4+4x^3-10 c.x^7+4x^3+2x^4-4x^5-10 d. 4x^3-4x^5+2x^4+x^7-10?