Question

Cum pot sa aduc la o formă mai simplă expresia: bc^2+a^2b+ac^2+a^2c-b^2c-a^2c-ab^2-a^2b?

Answer 1

ti se scad din termeni si ramane bc2+a2c-b2c-ab2

Answer 2

$bc^2+a^2b+ac^2+a^2c-b^2c-a^2c-ab^2-a^2b=bc^2+ac^2-b^2c-ab^2= \\ c^2(a+b)-b^2(a+c)$