If \(x^2 + 3x + 3 = 5x + 6\) then \(x\) equals

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x^2 + 3x + 3 = 5x + 6
x^2 -2x -3=0
x^2 -3x + x-3 =0
x(x-3) + 1(x-3)=0
x= 3 or -1