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fenix001 [56]
3 years ago
10

Help please..............

Mathematics
2 answers:
rosijanka [135]3 years ago
6 0
B: (f=g)(x)=-2x² - 2x +8  is correct
Alex777 [14]3 years ago
5 0
The answer is rather symbol just combine the like terms! -2X^2 has no like terms for it is the only exponent so cancel out C because it doesn't start with -2X^2. Next we add all variables with X but no exponent so 3X and -5x Add those together to get 3X +-5X which is -2X because the + is cancelled out so ghe equation is 3X-5X which equals -2X so get rid of everything but B. Finally to confirm it is B add all the basic numbers so the five and three to get eight. So (f+g)(x) = -2X^2 -2X + 8. The answer is B. (You guys said it was A so I changed it but now I know I am right.)
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