Write an equivalent expression for
5(6-1)

it will cost dollar $540

the living room is 3 which means if we divide 325/3 then we get $108

therefore if 1part of the living room cost $108 and 3 costed $325

then total 5part of the room will cost 5*108 which gives $540

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol