Question

2x(x-5)=0 determine a raiz da equacao

Answer 1

$2 {x}^{2} - 10 = 0 \\ 2 {x}^{2} = 10 \\ {x}^{2} = \frac{10}{2} \\ {x}^{2} = 5 \\ x = \sqrt{5} \\ x = 2.24$