Question

simplyfy ( -5-x) whole square

Answer 1

(-5-x)^2= -(5+x)^2

=> By using identity,

(a+b)^2= a^2+b^2+2ab.

=> -(25+x^2+10x)

=> -x^2-10x-25...

Answer 2

(-5-x) whole square

=(-5-x) (-5-x)

=-5(-5-x)-x(-5-x)

=25+5x+5x+(x square)

=(x square)+10x+25

I hope this helps you.