Jasten
05.03.2021 •
Mathematics
Evaluate f(a+2)for f(x)=x^2-9
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Ответ:
a^2 + 4a -5
Step-by-step explanation:
(a+2)^2-9
((a+2)^2) - (9)
a^2+4a+4-9
a^2 + 4a -5
Ответ:
I dont understand ;-;
Step-by-step explanation: