nickboy52210
02.06.2020 •
Mathematics
Sabendo que uma equação de segundo grau tem raízes 3 e 1, qual das alternativas corresponde à essa equação?
a) x² - 4x – 3 = 0
b) x² + 4x + 3 = 0
c) x² - 4x + 3 = 0
d) x² + 4x – 3 = 0
e) x² - 3x + 4 = 0
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Ответ:
x is the cost of each sock. This equation would only work if all socks cost the same price.
Step-by-step explanation:
4(2x) + 4(-1) = 8x - 4