Question

[tex]Reducir: (x+3)^{2} -(x+2)^{2} +(x+4)^{2}-(x+5)^{2}[/tex]

Answer 1

Respuesta:

-4

Explicación paso a paso:

=x^2+6x+9-\left(x+2\right)^2+\left(x+4\right)^2-\left(x+5\right)^2

=x^2+6x+9-x^2-4x-4+\left(x+4\right)^2-\left(x+5\right)^2

=x^2+6x+9-x^2-4x-4+x^2+8x+16-\left(x+5\right)^2

=x^2+6x+9-x^2-4x-4+x^2+8x+16-x^2-10x-25