If f(x) = x2 – 2x and g(x) = 6x + 4, for which value of x does (f + g)(x) = 0
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(f+g)(x)=x²-2x+6x+4
0 =x²+4x+4
(x+2)=0
x=-2
0 =x²+4x+4
(x+2)=0
x=-2
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