Question

Решить неравенство :
23/2 - (5x∧2+3x)/5 < (5 - 2x∧2)/2

Answer 1

(23/2)-((5x²+3x)/(5))<(5-2x²)/2
-x²-(3x)/5+23/2<5/2-x²
-x²+x²-3x/5<5/2-23/2
-3/5x<-9
-3x<-45
x>15
x∈(15;беск)