2c (c - 4)^2 - c^2 (2c - 10) при c = 0,2

Question

2c (c - 4)^2 - c^2 (2c - 10) при c = 0,2

Answer 1

2с(c-4)^2-c^2(2c-10)=2c(c^2-8c+16)-2c^3+10c^2=2c^3-16c+32c-2c^3+10c^2=16c+10c^2=3,2+0,4=3,6
Ответ:3,6