Question

решите уравнения. 3600x2-4900=0

Answer 1

$3600x {}^{2} - 4900 = 0 | div 100 \ 36x {}^{2} - 49 = 0 \ 36x {}^{2} = 49 \ x = frac{ 7}{6 } \ x = - frac{7}{6}$