1)(2x+x)^3 - x^2(6+x) =11 x+19 2)(z-2)^3 - z^2(z-6) = 13z-7
3)(y+3)^3 - 2y-30 = y^2(9+y)
4)(3-t)^3 + 3t +21 = -t^2(t-9)​

dasha199616    3   03.02.2021 11:59    1