Question

How do I do this? I’m not really sure.

Answer 1

Explanation:

f(x) + g(x) = 3x^2 + 2x - 1 + x^2 - 3x + 1

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

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f(x) - g(x) = 3x^2 + 2x - 1 - x^2 + 3x - 1

f(x) - g(x) = 2x^2 + 5x - 2