exiZT7535
01.03.2021 •
Mathematics
I need a A in math can you help me with this answer
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Ответ:
13
Step-by-step explanation:
12^2+5^2=13^2
Ответ:
-2x²-4x or -2x(x+2)
Step-by-step explanation:
(f+g)(x) means we are adding the values of f(x) and g(x):
f(x) = -2x²-9x
g(x) = 5x
(f+g)(x) = -2x²-9x+5x = -2x²-4x = -2x(x+2)