Thursday
August 28, 2014

Homework Help: math

Posted by larry on Tuesday, February 23, 2010 at 9:07pm.

i am having a minor difficulty
i've been stuck for over an hour and don't know what to do
i dont know is this right

? = "+" or "-"
# = number

y=x
(x+1)squared + (y+1)squared = 6

i substitute y

(x+1)squared + (x+1)squared = 6
x squared + 2x + 1 + x squared + 2x + 1 = 6
2x squared + 4x + 2 = 6
2x squared + 4x - 4 = 0
2(x squared + 2x - 2) = 0
2(x ? #)(x ? #)

i get to here and now i am stuck
can u correct me if i did something wrong

please and thank you

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