6x-x^2>0 , 3x+x^2 ≤0 , x^2-4≤0 , 5-x^2>0 HELPPPPPPPPPPPзззз

Question

6x-x^2>0 , 3x+x^2 ≤0 , x^2-4≤0 , 5-x^2>0 HELPPPPPPPPPPPзззз

Answer 1

6x-x^2>0
6x-x^2=0
-2x=6
x= -3
2) 3x + x^2 <=0<br>3x+x^2=0
4x^2=0
x^2= +- корень из 2