Question 611850
-8x^2-14x+4>-11
-8x^2-14x+4+11>0
-8x^2-14x+15>0
switch signs and  reverse inequality
8x^2+14x-15<0
(4x-3)(2x+5)<0
number line
<...+...-5/2...-....3/4.....+......>
solution:(-5/2,3/4)