Question

Rezolvati in multimea nr reale ecuatia :
x la a doua -x=0​

Answer 1

Răspuns:

$\it x^{2} -x = 0\\\\x\cdot(x-1) = 0\\\\x_{1} =0 \\\\x-1=0\Rightarrow x= 0+1\Rightarrow x_{2} =1$

Answer 2

x²-x=0

x(x-1)=0

1. x=0

2. x-1=0

x=1

x∈{0,1}