Question

найти значение выражения(11-5х²)(5х²+11)(-1/4)при х= -1 плиииз

Answer 1

x= -1
(11-5x^2)(5x^2+11)(-1/4)=(11^2-(5x^2)^2)(-1/4)=(121-25x^4)(-1/4)=(121-25(-1)^4)(-1/4)=(121-25)(-1/4)=96×(-1/4)=-24

Answer 2

(11-5х²)=6
(5х²+11)=16
(11-5х²)(5х²+11)=96
(11-5х²)(5х²+11)(-1/4)=-24