Question

resolver completando cuadrados
x²-5x-204=0​

Answer 1

Explicación paso a paso:

ײ-5×-204=0

ײ+12×-17×-204=0

x× (×+12)-17×-204=0

x×(x+12)-17(×+12)=0

(x+12)×(×-17)=0

×+12=0

×-17=0

×=12

×-17=0

=-12

=17

x¹=-12,x²=17