exam Maths Puzzle Numerical Ability

what are the non-permissible values for the rational expression x^2+x-6/x^2+x-12
a. x=2 and x=-3
b. x=3 and x=-4
c. x=0 and x=-4
d. x=0 and x=-2

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exam Other Question

18. Write the equation of the line passing through (-3, -7) and (-3, -6).
A) x = -3
B) y = -3
C) y = x - 3
D) y = x
no book Thanks so much for your time!!
I am stuck on correct answer for:

w^2 + 6w +5 over w + 5 =


I am not using a specific book. I am just practicing...