Question

упростите выражение (подробно)
$(2 x^{2} -4x+1)(5x+10)-10 x^{3}$

Answer 1

(2x²-4x+1)(5x+10)-10x³=
=10x³-20x²+5x+20x²-40x+10-10x³=
=-35x+10=10-35x