Question

Упростите выражение:3c2(−5c+4)(c−4)

Answer 1

$3c (x) 2(-5c+4)x(c-4)\\6c (x) (-5c+4)x(c-4)\\\\(-30c^{2} +24c)x(c-4)\\\\-30c^{3} +120c^{2} + 24c^{2} - 96c\\\\Otvet:\\-30c^{3} + 144c^{2} - 96c$