1.

For what values of x in R, the following expressions are negative i) -6x^(2)+2x -3 ii) 15+4x-3x^(2) iii) 2x^(2)+5x -3 iv) x^(2)-7x+10 v) x^(2)-5x-6

Answer»


ANSWER :i) For all real x ii) `x lt -(5)/(3)` or `x gt 3` iii) `-3 lt x lt (1)/(2)` iv) `2 lt x lt 5` v) `-1 lt x lt 6`


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