Question

2u(1-u^2) -5u(1-u^2)-3(1-u^2)
Разложить на множитель

Answer 1

2u(1-u²) -5u(1-u²)-3(1-u²) = (1-u²)(2u-5u-3) = (1-u²)(-3u-3) = -(1-u²)(3u+3) = 3(u²-1)(u+1)