Question

Найдите корни данных уравнений: а) х²-49=0; б)3х²=4х​

Answer 1

${x}^{2} - 49 = 0 \\ x \times (x - 7) = 0 \\ x = 7 \\ x = - 7</p><p>$$3 {x}^{2} = 4x \\ x \times (3x - 4) = 0 \\ x = 0 \\ 3x - 4 = 0 \\ x = \frac{4}{3}$