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Sindrei [870]
3 years ago
6

Helppp plsssss!!show your work.Thanks

Mathematics
2 answers:
gregori [183]3 years ago
8 0

You are basically just adding, so combine like terms.

3x^2 + 5x^2 = 8x^2

6x - 2x = 4x

4 - 8 = -4

So the answer is D.

mojhsa [17]3 years ago
8 0

The expression for (f+g)(x) is simply the sum of the expressions of f(x) and g(x).

So, you have

(f+g)(x) = f(x) + g(x) = (3x^2-2x+4)+(5x^2+6x-8) = 8x^2+4x-4

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