x^2/x +2=4/x +2
(x^2/x)-(4/x)=0
(x^2-4)/x=0
x^2-4=0
(x+2)(x-2)=0
x=±2
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2 squared plus 2 x 3 = 10, 7 squared plus 7 x 2 = 63, 6 squared plus 6 x 5 = 66,8 squared plus 8 x 4 = 96 so 9 squared plus 9 x 7 = 81 + 63 = 144.
The center of the circle given by the equation (x - 3)2 plus (y + 2)2 = 9 is (3,-2).
equals x+2 PROVIDED x is not -2. If x is -2, the ratio is not defined.
(3r + 2)(r - 5)