Question

how to use brainly keypad I'm able to type in that but couldn't send it

Answer 1

$i \: am \: also \: typing \: from \: that \:$
$first \: type \: eveything \: tha \: you \: want \: to \: type \: and \: then \: type \: on \: the \: option \: insert \: formula$.

Answer 2

You should keep trying