Question

resolva as equações do segundo grau, sendo U =R.

100x² = 0

3x² + 18x = 0

x² - 100 = 0​

Answer 1

100x2=0
x=0

3x2+18x=0
3x . (x+6) =0
x.(x+6)=0
x=0
x+6=0
x=-6
x1= 0 x2=-6


x2-100=0
x2=100
x= +/- raiz de 100
x= +/- 10
x1= 10
x2= -10