Respuesta :

square 20= 400
square 80= 6400
difference= 6400-400
= 6000
abhaysilver1
Here is your answer

[tex]\bold{-6000}[/tex]

REASON:

[tex]{20}^{2}-{80}^{2}[/tex]

=[tex] (20+80)(20-80)[/tex]

[tex]Relation used: {a}^{2}-{b}^{2}=(a+b)(a-b)[/tex]

=[tex] 100×(-60)[/tex]

=[tex] -6000[/tex]

HOPE IT IS USEFUL