Find the value(s) of x for which f(x) = g(x)

Find the value(s) of x for which f(x) = g(x) f(x) = x^2 +2x +1 and g(x) = 3x+3 

If f(x) = g(x) then

· x^2+2x+1 = 3x+3

· x^2-x – 2 = 0

· x^2 – 2x +x -2 = 0

· x(x-2)+1(x-2)=0

· (x+1)(x-2) = 0

· X = -1 or 2

So f(x) = g(x) for x= -1 and for x=2.

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