Please help!

Choose an expression that is equivalent to: -(2b^2-b) - (2b^2 + 5b)

A: -4b^2 + 4b

B: -4b^2 + 6b

C: 4b

D: -4b^2 - 4b

Btw: this icon “^” Indicates the number is a square root after the icon