# What for bother about the order of functions?

Algebra Level pending

Let $$f(x) = 2x^2$$ and $$g(x) = x-1$$. If the value of $$x$$ that satisfies $$fg(x) = gf(x)$$ can be expressed as $$\frac{a}{b}$$ where a and b are positive coprime integers, $$a+b =?$$

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