Question

-121x2=0 equação do 2 grau

Answer 1

$- 121x^{2} = 0 \\ ( - 1) \times ( - 121x {}^{2} ) = 0( - 1) \\ 121 {x}^{2} = 0 \\ {x}^{2} = \frac{0}{121} \\ x = ± \sqrt{0} \\ x = ± 0$

Conferindo:

-121x² = 0
-121 x (0)² = 0
-121 x 0 = 0
0 = 0