Question

determine as raízes reais das equações incompleta x²-5x=0

Answer 1

x² - 5x = 0

x ( x - 5 ) = 0

x' = 0

x"  - 5 = 0

x" = 5                S = ( 0 ; 5 )

Answer 2

x² - 5x= 0

x • (x - 5)= 0

x= 0

x - 5= 0

x= 0 + 5

x= 5

S= ( 0 , 5)