Question

Resolva as equações!

a) -25+100X elevado a 2=0
b) X elevado a 2 - 81/4=0

Answer 1

Olá Contadoday

a) 

100x² - 25 = 0

100x² = 25 

x² = 25/100 = 1/4

x1 = 1/2
x2 = -1/2

b)

x² - 81/4 = 0

x² = 81/4 

x1 = 9/2
x2 = -9/2 

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