Question

Resolva as equações:
a) x² -10x=0
b) 2x²-18x=0
c)6x² +12=0
d)2x²+4=0

Answer 1

a) x²-10x=0

2x-10x=x=0

-12x=0

12/0= 12

b) 2x²-18x= x=0

4x-18x= x=0

22x=0

22/0= 22

c)6x²+12=0

36x=12

36/12= x= 3

d) 2x²+4=0

4x=4

4/4= x=0