SOLUTION: i need help solving this inequality -8x^2-14x+4>-11 i dont get it at all please help!
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Question 611850
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i need help solving this inequality -8x^2-14x+4>-11
i dont get it at all please help!
Answer by
lwsshak3(11628)
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-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)