Question

ayuda porfavor:
x+(x+3)(x-3)=3+x(x+1)

Answer 1

x+(x+3)(x-3)=3+x(x+1)

$x + x^{2} -9 = 3+ x^{2} +x$

x - 9 = 3+ x

0x = 3+9

0x = 12

x = 12/0

Indeterminado