If f(x)=x^2 - 4x, determine an expression for g(x)(adsbygoogle = window.adsbygoogle || []).push({});

g(x) = f(x + 2)

How would I substitute f(x) when they are separated?

my attempt

g(x) = x^2 - 4x (x + 2)

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# Simple question on polynomials

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