Question

Resolva 2x2-3x/2+1/4=0

Answer 1

2x² - 3x/2 + 1/4 = 0
(Multiplica tudo por 4, para sumir os denominadores)
4.2x² - 4.3x/2 + 4/4 = 0
8x² - 6x + 1 = 0

x=(-b +- √b²-4ac)/2a
x=(6 +- √36-32)/2.8
x = 6+-√4/16
x = 6+-2/16

x' = 6+2/16 = 8/16 = 1/2 = 0,5
x" = 6-2/16 = 4/16 = 1/4 = 0,25