Question

0,4b*(b^2-10)*(22+b^2)-0,4b^5
упростите выражение

Answer 1

$0,4b*(b^2-10)*(22+b^2)-0.4b^5=0.4b*(22b^2-220+b^4-10b^2)- \ 0.4b^5=8.8b^3-88b+0.4b^5-4b^3-0.4b^5=4.8b^3-88b= \ 8*(0.6b^3-11b)$