Question

$6m {}^{2} - 2m {}^{2} - 8m {}^{3} =$
$- 9xy + 3xy - 2xy =$
$12a + 2b + 4 + 7c + 2a +4b + 5c + 6 =$
$11x - 23y - 20y + 50x - 5y - 50x =$
$7m + 12n + 21m + 20n + 32n =$
ayudaaa​

Answer 1

QUE MEGA PRO NO SE CRACK :_