SOLUTION: Hi Stuck on a particular problem Question Find the values of x for which i) 3x-5>x+13 ii) x^2-4x-12>0 Would appreciate any help

Question 357404: Hi
Stuck on a particular problem
Question
Find the values of x for which
i) 3x-5>x+13
ii) x^2-4x-12>0
Would appreciate any help
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
i) 3x - 5 > x + 13
Add 5 to both sides, eliminates -5 on the left
3x > x + 13 + 5
Subtract x from both sides
3x - x > 18
2x > 18
divide both sides by 2
x >
x > 9
:
ii) x^2 - 4x - 12 > 0
Factors to
(x-6)(x+2) > 0
x > 6; expression greater than 0 above +6
x < -2; expression is greater than 0 below -2
:
Graphically, this can be seen

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