number 3 and maybe 4

label Algebra
account_circle Unassigned
schedule 1 Day
account_balance_wallet $5

Feb 28th, 2015

here the requested equation is:

(x+1)^2+(y-1)^2 = 9

so after a simplification, I get:

x^2+y^2 + 2x -2y - 7= 0

Feb 28th, 2015

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Feb 28th, 2015
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Feb 28th, 2015
Aug 18th, 2017
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