Question

numero complejos

(x+5)²=10x​

Answer 1

Respuesta:

5i

Explicación paso a paso:

( x + 5 )² = 10x

( x + 5 )²

= x² + 5² + 2 ( x ) ( 5 )

= x² + 25 + 10x

x² + 25 + 10x = 10x

x² + 25 = 10x - 10x

x² + 25 = 0

x² = - 25

x = √- 25

= 5√- 1

x = 5i