Question

resolva as equações incompletas

x²-49

x²-100

2x²-6x=0

Answer 1

x²-49=0

x²=49

x=±√49

x=±7



x²-100=0

x²=100

x=±√100

x= ±10


2x²-6x=0

2x(x -3)=0

2x=0

x=0/2

x1=0


x-3=0

x=3

x2=3