Question

determinati x din 3/3=4/x

repedeeee sunt la test​

Answer 1

$\frac{3x}{3} = \frac{4}{x}$

${3x}^{2} = 12$

${x}^{2} = 4$

$x = |2|$

$x = 2 \: sau \: x = - 2$