1- Determine as raízes da equação
a) 2x² + 3x + 3 = 0
b)x² - x - 2 = 0
c)9x² - 5x = 0
d) 3x² + 4x + 1 = 0
e) 2x² + 5x + 3 = 0
f) x² - 5x + 6 = 0
g) x² - 4x - 5 = 0
h) 4x² + 8x + 6 = 0
i) 2x² + 8x - 24 = 0
j) x² - x - 30 = 0
k) 5x² - 3x - 2 = 0
l) x² - 10x + 25 = 0
m) -2x² +3x - 5 = 0
n) 3x² - 7x + 4 = 0
o) 9y² - 12y + 4 = 0
p) 5x² + 3x + 5 = 0
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