Question

Упростите выражение:(-1/3b²)³+b(1/27b⁵-1)

Answer 1

(-1/3b²)³+b(1/27b⁵-1)=-1/27b⁵+1/27b^6 -  - b = 1/27b⁵(b-1)

Answer 2

(-1/27b^6)+(1/27b^4-b)=(-1+b^2-27b^7)/27b^6