Question

100x квадрате-16=0 дискриминанте

Answer 1

$100 {x}^{2} - 16 = 0 | \div 4 \\ 25 = {x}^{2} - 4 = 0 \\ 25 {x}^{2} = 4 \\ {x}^{2} = \frac{4}{25} \\ \\ x 1= \frac{2}{5} \\ \\ x2 = - \frac{2}{5}$

Зачем дискриминант...