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Well, we know that d = 2 so fill in the other ordered pairs. You will have 3 equations with 3 variables. Solve for b
All I have so far are a+b+c = -2 and b = -2 - a - c....
I have the other equations as well

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Other answers:

I just don't get how to solve for b. Right now I'm trying to plug in random answers.
Add the two equations and solve for b
you get 4 = 0... which makes no sense
no doubt.
why is the b not negative in the first equation?
neeeever mind....
Solve for b
-2 then. ugh, i missed the -1^2. THANK YOU!!!!

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