Question

5 x+2 y+5)(5x+2y-10)=​

Answer 1

Respuesta:

(5x+2y+5)(5x+2y−10)

=(5x+2y+5)(5x+2y+−10)

=(5x)(5x)+(5x)(2y)+(5x)(−10)+(2y)(5x)+(2y)(2y)+(2y)(−10)+(5)(5x)+(5)(2y)+(5)(−10)

=25x2+10xy−50x+10xy+4y2−20y+25x+10y−50

=25x2+20xy+4y2−25x−10y−50

Espero que te sirva :)