Question

resolva equaçao de 2º grau.
4x+20x+25=0

Answer 1

4x² + 20x + 25 = 0
(2x + 5)² = 0
2x + 5 = 0
2x = - 5
x = - 5/2

Answer 2

= 0
= 0
= 0
= - 5
x = - 5/2