exam Maths Puzzle Numerical Ability

Find the corresponding y values for x= -2,-1,0,1,2,3 if y=x^2-x-2.
I have tried for 2 days to make this problem work but I keep getting stuck along the way. Please help.....

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exam Other Question

A right pyramid has a square base that measures 10cm on each side. It's peak is 12cm above the center of it's base. What is the sum of the lengths of the pymramid's eight edges? Ex x^3-x^2-12x=0
This is a summer assignment that will be a major test grade when we go back to school in August. Thank you!!