Question

c= (x + 4) = x (x + 2)

ayudaaaaaa​

Answer 1

Respuesta:

x^2+x-4

x+4=x(x+2)

x+4=x^2+2x

x^2+2x=x+4

x^2+2x-x=4

x^2+x=4

x^2+x-4