Question

(18а^5-6а^4в) : 6а^3, при а=5, в=-10

Answer 1

(18а⁵-6а⁴b) : 6а³=6а³*(3a²-ab):6а³ = 3а³-ab=а*(3а -b)
при а=5, в=-10
5*(3*5-(-10))=5*25=125