Question

Упростите выражение:
y(y-5)(y+5)-(y+2)(y^2-2y+4)

Answer 1

y(y-5)(y+5)-(y+2)(y²-2y+4) =у(у²-25)-(у³+8)=у³-25у-у³-8=-(25у+8)

Answer 2

y(y-5)(y+5)-(y+2)(y^2-2y+4) = y(y²-25) - (y³+8) = y³ - 25y - y³ - 8 = -25y - 8
Ответ: -25у - 8