Answer:
x^2 + 3
Explanation:
The notation means
f(x) - (g(x) = ?
Givens
f(x) = 2x^2 + 3
g(x) = x^2
Solution
f(x) = 2x^2 + 3 - x^2 combine 2x^2 and x^2
f(x) = x^2 + 3
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