Question 157245
x = -4, -3, -2, -1, 0, 1, 2 if: 
y=x^2+2x-3
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y=-4^2+2*-4-3
y=16-8-3
y=5
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y=-3^2+2*-3-3
y=9-6-3
y=0
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y=-2*2+2*-2-3
y=4-4-3
y=-3
I'll leave the rest for you to practice on.