найти производную f(x)=(x-5)(2x-5)
y=(x-5)(2x-5)
y' = (x-5)' * (2x-5) + (x-5)*(2x-5)' = 2x-5+2(x-5) = 2x-5+2x-10 = 4x-15
Ответ: 4x-15