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A. 6x^2 < 6+5x

my work:

6x^2-5x-6 < 0

solutions are then 3/2 and -2/3

so the answer I got is:

-2/3 < x < 3/2

B. x^2+8x > 0

my work:

soutions I got were 0, -8

so my answer is:

-8 < x < 0

C. (x+2)(x^2-x+1) > 0

my work:

x+2 > 0 and x^2-x+1 > 0

solutions are then -.414 and 2.414

so my answer is:

-4.14 < x < 2.414