Question

b) 4xao quadrado+8x+3=0?

Answer 1

4x² + 8x + 3 = 0

a = 4; b=8; c=3

▲ = b² - 4ac = 16 

x1 = (-8 + 4)/8 = -4/8 = -1/2
x2 = (-8 - 4)/8 = -12/8 = -3/4

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13/10/2016
Sepauto 
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