Respuesta :
Answer is
(5t+4)^2
=(5t+4)(5t+4)==>Binomial
=25t^2+20t+20t+16
=25t^2+40t+16==> final answer
(5t+4)^2
=(5t+4)(5t+4)==>Binomial
=25t^2+20t+20t+16
=25t^2+40t+16==> final answer