Como resolver?
a) x² - 6 =0
b) x²- 38x = 0
c) -12x² + 11x - 2 = 0
d) 5x² - 49x= 0
e) 8x² - 6x + 1 = 0
a) x² - 6 =0
b) x²- 38x = 0
c) -12x² + 11x - 2 = 0
d) 5x² - 49x= 0
e) 8x² - 6x + 1 = 0
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x²-6=0
x²=6
x1= √6
x2=-√6